1. Ubuntu Security Notices
  2. USN-6944-2

USN-6944-2: curl vulnerability

Publication date

20 August 2024

Overview

curl could be made to crash or expose information if it received specially crafted network traffic.

Releases

Packages

  • curl - HTTP, HTTPS, and FTP client and client libraries

Details

USN-6944-1 fixed CVE-2024-7264 for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and
Ubuntu 24.04 LTS. This update provides the corresponding fix for
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS.

Original advisory details:

Dov Murik discovered that curl incorrectly handled parsing ASN.1
Generalized Time fields. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive memory contents.

USN-6944-1 fixed CVE-2024-7264 for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and
Ubuntu 24.04 LTS. This update provides the corresponding fix for
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS.

Original advisory details:

Dov Murik discovered that curl incorrectly handled parsing ASN.1
Generalized Time fields. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive memory contents.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic curl –  7.58.0-2ubuntu3.24+esm5  
libcurl3-gnutls –  7.58.0-2ubuntu3.24+esm5  
libcurl3-nss –  7.58.0-2ubuntu3.24+esm5  
libcurl4 –  7.58.0-2ubuntu3.24+esm5  
16.04 xenial curl –  7.47.0-1ubuntu2.19+esm13  
libcurl3 –  7.47.0-1ubuntu2.19+esm13  
libcurl3-gnutls –  7.47.0-1ubuntu2.19+esm13  
libcurl3-nss –  7.47.0-1ubuntu2.19+esm13  
14.04 trusty curl –  7.35.0-1ubuntu2.20+esm18  
libcurl3 –  7.35.0-1ubuntu2.20+esm18  
libcurl3-gnutls –  7.35.0-1ubuntu2.20+esm18  
libcurl3-nss –  7.35.0-1ubuntu2.20+esm18  

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References

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