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Ubuntu 18.04: USN-6944-2 Critical: curl Denial of Service

ubuntu
Calendar Grey August 20, 2024
Dist Ubuntu Esm H88
Ubuntu Security Announcement USN-6945-3 highlights a vulnerability in OpenSSL impacting several versions, focusing on code execution risks.
curl could be made to crash or expose information if it received specially crafted network traffic.

Summary

curl could be made to crash or expose information if it received specially

crafted network traffic.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu network traffic information exposure curl

Update Instructions

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

Ubuntu 18.04 LTS
curl 7.58.0-2ubuntu3.24+esm5
Available with Ubuntu Pro
libcurl3-gnutls 7.58.0-2ubuntu3.24+esm5
Available with Ubuntu Pro
libcurl3-nss 7.58.0-2ubuntu3.24+esm5
Available with Ubuntu Pro
libcurl4 7.58.0-2ubuntu3.24+esm5
Available with Ubuntu Pro

Ubuntu 16.04 LTS
curl 7.47.0-1ubuntu2.19+esm13
Available with Ubuntu Pro
libcurl3 7.47.0-1ubuntu2.19+esm13
Available with Ubuntu Pro
libcurl3-gnutls 7.47.0-1ubuntu2.19+esm13
Available with Ubuntu Pro
libcurl3-nss 7.47.0-1ubuntu2.19+esm13
Available with Ubuntu Pro

Ubuntu 14.04 LTS
curl 7.35.0-1ubuntu2.20+esm18
Available with Ubuntu Pro
libcurl3 7.35.0-1ubuntu2.20+esm18
Available with Ubuntu Pro
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm18
Available with Ubuntu Pro
libcurl3-nss 7.35.0-1ubuntu2.20+esm18
Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-6944-2

https://ubuntu.com/security/notices/USN-6944-1

CVE-2024-7264

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6944-2

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu network traffic information exposure curl

Package Information

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