USN-5495-1: curl vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 21.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

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

Details

Harry Sintonen discovered that curl incorrectly handled certain cookies.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 21.10, and Ubuntu 22.04 LTS. (CVE-2022-32205)

Harry Sintonen discovered that curl incorrectly handled certain HTTP compressions.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2022-32206)

Harry Sintonen incorrectly handled certain file permissions.
An attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 21.10, and Ubuntu 22.04 LTS. (CVE-2022-32207)

Harry Sintonen discovered that curl incorrectly handled certain FTP-KRB messages.
An attacker could possibly use this to perform a machine-in-the-middle attack.
(CVE-2022-32208)

Update instructions

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

Ubuntu 22.04

• libcurl3-gnutls - 7.81.0-1ubuntu1.3
• libcurl3-nss - 7.81.0-1ubuntu1.3
• libcurl4 - 7.81.0-1ubuntu1.3
• curl - 7.81.0-1ubuntu1.3

Ubuntu 21.10

• libcurl3-gnutls - 7.74.0-1.3ubuntu2.3
• libcurl3-nss - 7.74.0-1.3ubuntu2.3
• libcurl4 - 7.74.0-1.3ubuntu2.3
• curl - 7.74.0-1.3ubuntu2.3

Ubuntu 20.04

• libcurl3-gnutls - 7.68.0-1ubuntu2.12
• libcurl3-nss - 7.68.0-1ubuntu2.12
• libcurl4 - 7.68.0-1ubuntu2.12
• curl - 7.68.0-1ubuntu2.12

Ubuntu 18.04

• libcurl3-gnutls - 7.58.0-2ubuntu3.19
• libcurl3-nss - 7.58.0-2ubuntu3.19
• libcurl4 - 7.58.0-2ubuntu3.19
• curl - 7.58.0-2ubuntu3.19

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

References

• CVE-2022-32207
• CVE-2022-32206
• CVE-2022-32205
• CVE-2022-32208

Related notices

• USN-5499-1: libcurl4-doc, libcurl4-nss-dev, libcurl4-openssl-dev, libcurl3, libcurl3-gnutls, libcurl3-nss, libcurl4-gnutls-dev, curl