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Improper Certificate Validation Affecting squid package, versions <7:5.5-6.el9_3.5

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.75% (82nd percentile)

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  • Snyk ID SNYK-ALMALINUX9-SQUID-6146130
  • published 8 Jan 2024
  • disclosed 8 Jan 2024
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Introduced: 8 Jan 2024

CVE-2023-46724 Open this link in a new tab
CWE-295 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 squid to version 7:5.5-6.el9_3.5 or higher.
This issue was patched in ALSA-2024:0071.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid package and not the squid package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using --with-openssl are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.

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

8.6 high
Expand this section

Red Hat

7.5 high