SUSE Linux Enterprise update for libdjvulibre



Published: 2021-08-05
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
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SUSE Linux Enterprise Debuginfo
Operating systems & Components / Operating system

SUSE Linux Enterprise Point
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
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 Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
    • libdjvulibre21-3.5.21-3.18.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • libdjvulibre21-3.5.21-3.18.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
    • djvulibre-debuginfo-3.5.21-3.18.1
    • djvulibre-debugsource-3.5.21-3.18.1
  • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
    • djvulibre-debuginfo-3.5.21-3.18.1
    • djvulibre-debugsource-3.5.21-3.18.1

Vulnerable software versions

SUSE Linux Enterprise Debuginfo: 11-SP3 - 11-SP4

SUSE Linux Enterprise Point: 11-SP3

SUSE Linux Enterprise Server: 11-SP4-LTSS

External links

http://www.suse.com/support/update/announcement/2021/suse-su-202114773-1/


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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