A curl security update has been released for Ubuntu Linux 14.04 ESM, 16.04 ESM, 18.04 LTS, 20.04 LTS, and 22.04 LTS.
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Ubuntu Security Notice USN-5587-1
September 01, 2022
curl vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
curl could be denied access to a HTTP(S) content if it recieved
a specially crafted cookie.
Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries
Details:
Axel Chong discovered that when curl accepted and sent back
cookies containing control bytes that a HTTP(S) server might
return a 400 (Bad Request Error) response. A malicious cookie
host could possibly use this to cause denial-of-service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS:
curl 7.81.0-1ubuntu1.4
libcurl3-gnutls 7.81.0-1ubuntu1.4
libcurl3-nss 7.81.0-1ubuntu1.4
libcurl4 7.81.0-1ubuntu1.4
Ubuntu 20.04 LTS:
curl 7.68.0-1ubuntu2.13
libcurl3-gnutls 7.68.0-1ubuntu2.13
libcurl3-nss 7.68.0-1ubuntu2.13
libcurl4 7.68.0-1ubuntu2.13
Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.20
libcurl3-gnutls 7.58.0-2ubuntu3.20
libcurl3-nss 7.58.0-2ubuntu3.20
libcurl4 7.58.0-2ubuntu3.20
Ubuntu 16.04 ESM:
curl 7.47.0-1ubuntu2.19+esm5
libcurl3 7.47.0-1ubuntu2.19+esm5
libcurl3-gnutls 7.47.0-1ubuntu2.19+esm5
libcurl3-nss 7.47.0-1ubuntu2.19+esm5
Ubuntu 14.04 ESM:
curl 7.35.0-1ubuntu2.20+esm12
libcurl3 7.35.0-1ubuntu2.20+esm12
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm12
libcurl3-nss 7.35.0-1ubuntu2.20+esm12
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5587-1
CVE-2022-35252
Package Information:
https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.4
https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.13
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.20
