Security Bulletin
This security bulletin contains one high risk vulnerability.
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
DescriptionThe 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.
MitigationUpdate the affected package djvulibre to the latest version.
Vulnerable software versionsSUSE Manager Proxy: 4.0
SUSE Manager Retail Branch Server: 4.0
SUSE Manager Server: 4.0
SUSE Linux Enterprise Server for SAP: 15 - 15-SP1
SUSE Linux Enterprise High Performance Computing: 15-ESPOS - 15-SP1-LTSS
SUSE Enterprise Storage: 6
SUSE CaaS Platform: 4.0
SUSE Linux Enterprise Server: 15-LTSS - 15-SP1-LTSS
libdjvulibre21-debuginfo: before 3.5.27-3.19.1
libdjvulibre21: before 3.5.27-3.19.1
libdjvulibre-devel: before 3.5.27-3.19.1
djvulibre-debugsource: before 3.5.27-3.19.1
djvulibre-debuginfo: before 3.5.27-3.19.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20212796-1/
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.