Medium
Canonical Ubuntu
Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23914) Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested in parallel. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23915) Patrick Monnerat discovered that curl incorrectly handled memory when processing requests with multi-header compression. A remote attacker could possibly use this issue to cause curl to consume resources, leading to a denial of service. (CVE-2023-23916) Update Instructions: Run sudo pro fix USN-5891-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcurl4-gnutls-dev – 7.81.0-1ubuntu1.8 libcurl4-openssl-dev – 7.81.0-1ubuntu1.8 libcurl3-gnutls – 7.81.0-1ubuntu1.8 libcurl4-doc – 7.81.0-1ubuntu1.8 libcurl3-nss – 7.81.0-1ubuntu1.8 libcurl4-nss-dev – 7.81.0-1ubuntu1.8 libcurl4 – 7.81.0-1ubuntu1.8 curl – 7.81.0-1ubuntu1.8 No subscription required
CVEs contained in this USN include: CVE-2023-23914, CVE-2023-23915, CVE-2023-23916.
Severity is medium unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
2023-04-20: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
bionic stemcells | lt | 1.181 | |
cflinuxfs3 | lt | 0.353.0 | |
cflinuxfs4 | lt | 0.66.0 | |
jammy stemcells | lt | 1.93 | |
cf deployment | lt | 26.6.0 |