GitLab GitLab Version Control Server

A potential DOS vulnerability was discovered in all versions of Gitlab starting

CVE-2020-26411 4.3 - Medium - December 11, 2020

A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.

CVE-2020-26411 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Improper Resource Shutdown or Release

Information about the starred projects for private user profiles was exposed via the GraphQL API starting from 12.2 via the REST API

CVE-2020-26415 4.3 - Medium - December 11, 2020

Information about the starred projects for private user profiles was exposed via the GraphQL API starting from 12.2 via the REST API. This affects GitLab >=12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.

CVE-2020-26415 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Information Leak

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2

CVE-2020-26413 5.3 - Medium - December 11, 2020

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

CVE-2020-26413 can be explotited with network access, and does not require authorization privledges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Information Leak

Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs

CVE-2020-26416 4.4 - Medium - December 11, 2020

Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs. This affects versions >=8.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.

CVE-2020-26416 is exploitable with local system access, and requires user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 0.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Information Leak

A limited information disclosure vulnerability exists in Gitlab CE/EE from >= 12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2

CVE-2020-26408 5.3 - Medium - December 11, 2020

A limited information disclosure vulnerability exists in Gitlab CE/EE from >= 12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2 that allows an attacker to view limited information in user's private profile

CVE-2020-26408 is exploitable with network access, and does not require authorization privledges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Information Leak

Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership

CVE-2020-26417 5.3 - Medium - December 11, 2020

Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.

CVE-2020-26417 can be explotited with network access, and does not require authorization privledges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Information Leak

Removed group members were able to use the To-Do functionality to retrieve updated information on confidential epics starting in GitLab EE 13.2 before 13.6.2.

CVE-2020-26412 4.3 - Medium - December 11, 2020

Removed group members were able to use the To-Do functionality to retrieve updated information on confidential epics starting in GitLab EE 13.2 before 13.6.2.

CVE-2020-26412 is exploitable with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Information Leak

An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2

CVE-2020-13357 4.3 - Medium - December 11, 2020

An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2 allowed an unauthorized user to access the user list corresponding to a feature flag in a project.

CVE-2020-13357 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Insecure Direct Object Reference

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2

CVE-2020-26409 6.5 - Medium - December 11, 2020

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

CVE-2020-26409 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Improper Input Validation

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2

CVE-2020-26407 5.4 - Medium - December 10, 2020

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

CVE-2020-26407 can be explotited with network access, requires user interaction and a small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.3 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

XSS

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14

CVE-2020-13355 8.1 - High - November 19, 2020

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14. A path traversal is found in LFS Upload that allows attacker to overwrite certain specific paths on the server. Affected versions are: >=8.14, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13355 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.

Directory traversal

The Terraform API in GitLab CE/EE 12.10+ exposed the object storage signed URL on the delete operation

CVE-2020-13359 7.6 - High - November 19, 2020

The Terraform API in GitLab CE/EE 12.10+ exposed the object storage signed URL on the delete operation allowing a malicious project maintainer to overwrite the Terraform state, bypassing audit and other business controls. Affected versions are >=12.10, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13359 can be explotited with network access, and requires user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.3 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a high impact on integrity, and no impact on availability.

Information Leak

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9

CVE-2020-13356 8.2 - High - November 19, 2020

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: >=8.8.9, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13356 is exploitable with network access, and does not require authorization privledges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and no impact on availability.

Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8

CVE-2020-26405 7.1 - High - November 17, 2020

Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8 allows an attacker to save packages in arbitrary locations. Affected versions are >=12.8, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-26405 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and a small impact on availability.

Directory traversal

An issue has been discovered in GitLab EE affecting all versions starting from 10.2

CVE-2020-13348 5.7 - Medium - November 17, 2020

An issue has been discovered in GitLab EE affecting all versions starting from 10.2. Required CODEOWNERS approval could be bypassed by targeting a branch without the CODEOWNERS file. Affected versions are >=10.2, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13348 is exploitable with network access, requires user interaction and a small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.1 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

An issue has been discovered in GitLab EE affecting all versions starting from 8.12

CVE-2020-13349 4.3 - Medium - November 17, 2020

An issue has been discovered in GitLab EE affecting all versions starting from 8.12. A regular expression related to a file path resulted in the Advanced Search feature susceptible to catastrophic backtracking. Affected versions are >=8.12, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13349 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+

CVE-2020-13351 6.5 - Medium - November 17, 2020

Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for scheduled pipelines on projects visible to the attacker. Affected versions are >=13.0, <13.3.9,>=13.4.0, <13.4.5,>=13.5.0, <13.5.2.

CVE-2020-13351 can be explotited with network access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Incorrect Default Permissions

CSRF in runner administration page in all versions of GitLab CE/EE

CVE-2020-13350 4.3 - Medium - November 17, 2020

CSRF in runner administration page in all versions of GitLab CE/EE allows an attacker who's able to target GitLab instance administrators to pause/resume runners. Affected versions are >=13.5.0, <13.5.2,>=13.4.0, <13.4.5,<13.3.9.

CVE-2020-13350 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

352

A vulnerability in the internal Kubernetes agent api in GitLab CE/EE version 13.3 and above allows unauthorized access to private projects

CVE-2020-13358 5.5 - Medium - November 17, 2020

A vulnerability in the internal Kubernetes agent api in GitLab CE/EE version 13.3 and above allows unauthorized access to private projects. Affected versions are: >=13.4, <13.4.5,>=13.3, <13.3.9,>=13.5, <13.5.2.

CVE-2020-13358 is exploitable with local system access, and requires small amount of user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

AuthZ

When importing repos via URL, one time use git credentials were persisted beyond the expected time window in Gitaly 1.79.0 or above

CVE-2020-13353 3.2 - Low - November 17, 2020

When importing repos via URL, one time use git credentials were persisted beyond the expected time window in Gitaly 1.79.0 or above. Affected versions are: >=1.79.0, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVE-2020-13353 can be explotited with local system access, and requires user privledges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.5 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Insufficient Session Expiration