BIND 9 Repeated Response ECS Assertion Failure (Fixed 9.11.38, 9.16.37)
CVE-2022-3488 Published on January 26, 2023

named may terminate unexpectedly when processing ECS options in repeated responses to iterative queries
Processing of repeated responses to the same query, where both responses contain ECS pseudo-options, but where the first is broken in some way, can cause BIND to exit with an assertion failure. 'Broken' in this context is anything that would cause the resolver to reject the query response, such as a mismatch between query and answer name. This issue affects BIND 9 versions 9.11.4-S1 through 9.11.37-S1 and 9.16.8-S1 through 9.16.36-S1.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2022-3488 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. 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.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is an assertion failure Vulnerability?

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

CVE-2022-3488 has been classified to as an assertion failure vulnerability or weakness.


Products Associated with CVE-2022-3488

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ISC BIND
 

Affected Versions

ISC BIND 9:

Exploit Probability

EPSS
11.69%
Percentile
93.57%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.