Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU53319
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-2021-3500
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in DJVU::DjVuDocument::get_djvu_file() function. A remote unauthenticated attacker can create a specially crafted djvu file, trick the victim into opening it, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package djvulibre to the latest version.
Vulnerable software versionsSUSE OpenStack Cloud Crowbar: 8 - 9
SUSE Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4
HPE Helion Openstack: 8
SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5
SUSE OpenStack Cloud: 8 - 9
libdjvulibre-devel: before 3.5.25.3-5.12.1
libdjvulibre21-debuginfo: before 3.5.25.3-5.12.1
libdjvulibre21: before 3.5.25.3-5.12.1
djvulibre-debugsource: before 3.5.25.3-5.12.1
djvulibre-debuginfo: before 3.5.25.3-5.12.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20211813-1/
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.