SUSE Linux Enterprise Module for Packagehub Subpackages and Desktop Applications update for djvulibre

1) Out-of-bounds write

EUVDB-ID: #VU55487

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3630

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the DJVU::DjVuTXT::decode() function in DjVuText.cpp. A remote attacker can create a specially crafted djvu file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

• SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (aarch64 ppc64le s390x x86_64):
  • djvulibre-3.5.27-11.11.1
  • djvulibre-debuginfo-3.5.27-11.11.1
  • djvulibre-debugsource-3.5.27-11.11.1
• SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (aarch64 ppc64le s390x x86_64):
  • djvulibre-3.5.27-11.11.1
  • djvulibre-debuginfo-3.5.27-11.11.1
  • djvulibre-debugsource-3.5.27-11.11.1
• SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (aarch64 ppc64le s390x x86_64):
  • djvulibre-debuginfo-3.5.27-11.11.1
  • djvulibre-debugsource-3.5.27-11.11.1
  • libdjvulibre-devel-3.5.27-11.11.1
  • libdjvulibre21-3.5.27-11.11.1
  • libdjvulibre21-debuginfo-3.5.27-11.11.1
• SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (aarch64 ppc64le s390x x86_64):
  • djvulibre-debuginfo-3.5.27-11.11.1
  • djvulibre-debugsource-3.5.27-11.11.1
  • libdjvulibre-devel-3.5.27-11.11.1
  • libdjvulibre21-3.5.27-11.11.1
  • libdjvulibre21-debuginfo-3.5.27-11.11.1

Vulnerable software versions

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP2 - 15-SP3

SUSE Linux Enterprise Module for Desktop Applications: 15-SP2 - 15-SP3

CPE2.3

• cpe:2.3:a:suse:suse_linux_enterprise_module_for_packagehub_subpackages:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:a:suse:suse_linux_enterprise_module_for_packagehub_subpackages:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_desktop_applications:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_desktop_applications:15-SP3:*:*:*:*:*:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20212619-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.