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



Published: 2021-08-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3630
CWE-ID CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		SUSE Linux Enterprise Module for Packagehub Subpackages
Operating systems & Components / Operating system package or component

SUSE Linux Enterprise Module for Desktop Applications
Operating systems & Components / Operating system

Vendor SUSE

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU55487

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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

External links

http://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.



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