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Buffer Overflow Affecting squid:4/squid package, versions <7:4.15-6.module_el8.8.0+3670+56cb3c8e.1.alma.1

Severity

 Recommended
critical

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    3.55% (92nd percentile)

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  • Snyk ID SNYK-ALMALINUX8-SQUID-6054373
  • published 9 Nov 2023
  • disclosed 2 Nov 2023
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Introduced: 2 Nov 2023

CVE-2023-46847 Open this link in a new tab
CWE-120 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:8 squid:4/squid to version 7:4.15-6.module_el8.8.0+3670+56cb3c8e.1.alma.1 or higher.
This issue was patched in ALSA-2023:6267.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid:4/squid package and not the squid:4/squid package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

7.5 high
Expand this section

Red Hat

8.6 high