Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

It was discovered that LibTIFF was not properly performing the calculation of data that would eventually be used as a reference for bound-checking operations. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-19131) It was discovered that LibTIFF was not properly terminating a function execution when processing incorrect data. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-19144) It was discovered that LibTIFF did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TIFF file using tiffinfo tool, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-1354) It was discovered that LibTIFF did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TIFF file using tiffcp tool, an attacker could possibly use this issue to cause a denial of service. (CVE-2022-1355) It was discovered that LibTIFF was not properly performing checks to avoid division calculations where the denominator value was zero, which could lead to an undefined behaviour situation via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-2056, CVE-2022-2057, CVE-2022-2058) Update Instructions: Run sudo ua fix USN-5619-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libtiff-opengl – 4.1.0+git191117-2ubuntu0.20.04.5 libtiff-tools – 4.1.0+git191117-2ubuntu0.20.04.5 libtiff5-dev – 4.1.0+git191117-2ubuntu0.20.04.5 libtiff-dev – 4.1.0+git191117-2ubuntu0.20.04.5 libtiff5 – 4.1.0+git191117-2ubuntu0.20.04.5 libtiffxx5 – 4.1.0+git191117-2ubuntu0.20.04.5 libtiff-doc – 4.1.0+git191117-2ubuntu0.20.04.5 No subscription required

CVEs contained in this USN include: CVE-2020-19131, CVE-2020-19144, CVE-2022-1354, CVE-2022-1355, CVE-2022-2056, CVE-2022-2057, CVE-2022-2058.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.324.0
• CF Deployment
  • All versions prior to 21.11.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs3
  • Upgrade all versions to 0.324.0 or greater
• CF Deployment
  • Upgrade all versions to 21.11.0 or greater

References

• USN Notice
• CVE-2020-19131
• CVE-2020-19144
• CVE-2022-1354
• CVE-2022-1355
• CVE-2022-2056
• CVE-2022-2057
• CVE-2022-2058

History

2022-09-29: Initial vulnerability report published.