CVE-2024-25111: SQUID-2024:1 Denial of Service in HTTP Chunked Decoding

Published Mar 6, 2024
·
Updated

Last updated 28 February 2025

Other sources

Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. There is no workaround for this issue.

— Launchpad

Affected Software

9 affected componentsFixes available
redhat/squid<6.8
6.8
Squid-Cache Squid>=3.5.27<6.8
Fedoraproject Fedora=38
Fedoraproject Fedora=39
NetApp Bluexp
debian/squid<5.7-2+deb12u1
5.7-2+deb12u1
debian/squid<6.8-1
6.8-1
debian/squid<6.8-1
6.8-1
debian/squid
5.7-2+deb12u55.7-2+deb12u66.13-2+deb13u36.13-2+deb13u47.7-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/squid to a version that resolves this vulnerability.

    Fixed in 6.8
  2. Upgrade

    Upgrade debian/squid to a version that resolves this vulnerability.

    Fixed in 5.7-2+deb12u1
  3. Upgrade

    Upgrade debian/squid to a version that resolves this vulnerability.

    Fixed in 6.8-1
  4. Upgrade

    Upgrade debian/squid to a version that resolves this vulnerability.

    Fixed in 5.7-2+deb12u5Fixed in 5.7-2+deb12u6Fixed in 6.13-2+deb13u3Fixed in 6.13-2+deb13u4Fixed in 7.7-1
  5. Upgrade

    Upgrade Squid to a version that resolves this vulnerability.

    Fixed in 6.8Patch SQUID-2024_1.patch

Event History

Mar 6, 2024
CVE Published
via MITRE·06:14 PM
Data Sourced
via MITRE·06:14 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·07:15 PM
DescriptionSeverityAffected Software
Mar 7, 2024
Data Sourced
via Red Hat·05:57 AM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-25111?

CVE-2024-25111 is classified as a high-severity vulnerability due to its potential to cause Denial of Service via an uncontrolled recursion bug.

2

How do I fix CVE-2024-25111?

To fix CVE-2024-25111, upgrade Squid to version 6.8 or later, or to version 5.7-2+deb12u2 or 6.12-1 on Debian systems.

3

Which versions of Squid are affected by CVE-2024-25111?

CVE-2024-25111 affects Squid versions starting from 3.5.27 and prior to 6.8.

4

Can CVE-2024-25111 be exploited remotely?

Yes, an attacker can exploit CVE-2024-25111 remotely to cause Denial of Service.

5

What type of attack is associated with CVE-2024-25111?

CVE-2024-25111 is associated with a Denial of Service attack targeting the HTTP Chunked decoder.

Company

Resources

Contact

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