ISOMAN

CVE

CVE-2020-15900

A memory corruption issue was found in Artifex Ghostscript 9.50 and 9.52. Use of a non-standard PostScript operator can allow overriding of file access controls. The 'rsearch' calculation for the 'post' size resulted in a size that was too large, and could underflow to max uint32_t. This was fixed in commit 5d499272b95a6b890a1397e11d20937de000d31b.

Severity
CRITICAL
CVSS
9.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu20.04.6 amd64 desktopunknownsource
Ubuntu20.04.6 amd64 live-serverunknownsource

References

  1. http://git.ghostscript.com/?p=ghostpdl.git%3Ba=log
  2. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00004.html
  3. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00006.html
  4. https://artifex.com/security-advisories/CVE-2020-15900
  5. https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5d499272b95a6b890a1397e11d20937de000d31b
  6. https://github.com/ArtifexSoftware/ghostpdl/commit/5d499272b95a6b890a1397e11d20937de000d31b
  7. https://github.com/ArtifexSoftware/ghostpdl/commits/master/psi/zstring.c
  8. https://security.gentoo.org/glsa/202008-20
  9. https://usn.ubuntu.com/4445-1/
  10. http://git.ghostscript.com/?p=ghostpdl.git%3Ba=log
  11. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00004.html
  12. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00006.html
  13. https://artifex.com/security-advisories/CVE-2020-15900
  14. https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5d499272b95a6b890a1397e11d20937de000d31b
  15. https://github.com/ArtifexSoftware/ghostpdl/commit/5d499272b95a6b890a1397e11d20937de000d31b
  16. https://github.com/ArtifexSoftware/ghostpdl/commits/master/psi/zstring.c
  17. https://security.gentoo.org/glsa/202008-20
  18. https://usn.ubuntu.com/4445-1/