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USN-5412-1: curl vulnerabilities




VMware Tanzu

Versions Affected

  • Canonical Ubuntu 18.04
  • Canonical Ubuntu 22.04


Axel Chong discovered that curl incorrectly handled percent-encoded URL separators. A remote attacker could possibly use this issue to trick curl into using the wrong URL and bypass certain checks or filters. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-27780) Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server's certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. (CVE-2022-27781) Harry Sintonen discovered that curl incorrectly reused a previous connection when certain options had been changed, contrary to expectations. (CVE-2022-27782) Update Instructions: Run `sudo pro fix USN-5412-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcurl4-gnutls-dev - 7.81.0-1ubuntu1.2 libcurl4-openssl-dev - 7.81.0-1ubuntu1.2 libcurl3-gnutls - 7.81.0-1ubuntu1.2 libcurl4-doc - 7.81.0-1ubuntu1.2 libcurl3-nss - 7.81.0-1ubuntu1.2 libcurl4-nss-dev - 7.81.0-1ubuntu1.2 libcurl4 - 7.81.0-1ubuntu1.2 curl - 7.81.0-1ubuntu1.2 No subscription required

CVEs contained in this USN include: CVE-2022-27780, CVE-2022-27781, CVE-2022-27782

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

  • Platform Automation Toolkit
    • 4.4.x versions prior to 4.4.29
    • 5.0.x versions prior to 5.0.22
  • Isolation Segment
    • 2.7.x versions prior to 2.7.45
    • 2.10.x versions prior to 2.10.25
    • 2.11.x versions prior to 2.11.14
    • 2.12.x versions prior to 2.12.8
  • VMware Tanzu Application Service for VMs
    • 2.7.x versions prior to 2.7.50
    • 2.10.x versions prior to 2.10.32
    • 2.11.x versions prior to 2.11.20
    • 2.12.x versions prior to 2.12.13
    • 2.13.x versions prior to 2.13.5


Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:

  • Platform Automation Toolkit
    • 4.4.29
    • 5.0.22
  • Isolation Segment
    • 2.7.45
    • 2.10.25
    • 2.11.14
    • 2.12.8
  • VMware Tanzu Application Service for VMs
    • 2.7.50
    • 2.10.32
    • 2.11.20
    • 2.12.13
    • 2.13.5



2022-12-08: Initial vulnerability report published.