Integer Overflow or Wraparound Affecting squid package, versions <7:4.15-1.module+el8.5.0+705+218dec94

Q: How to fix?

<p>Upgrade <code>Rocky-Linux:8</code> <code>squid</code> to version 7:4.15-1.module+el8.5.0+705+218dec94 or higher.<br>This issue was patched in <code>RLSA-2021:4292</code>.</p>

Threat Intelligence

3.21% (92^nd percentile)

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Snyk ID SNYK-ROCKY8-SQUID-3282242
published 5 Jan 2023
disclosed 8 Jun 2021

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Introduced: 8 Jun 2021

CVE-2021-31807 Open this link in a new tab CWE-190 Open this link in a new tab

How to fix?

Upgrade Rocky-Linux:8 squid to version 7:4.15-1.module+el8.5.0+705+218dec94 or higher.
This issue was patched in RLSA-2021:4292.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid package and not the squid package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High