Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU22621
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-18397
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 GNU fribidi when processing a large number of unicode isolate directional characters. A remote attacker can 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 fribidi to the latest version.
Vulnerable software versionsSUSE MicroOS: 5.0
SUSE Linux Enterprise Module for Desktop Applications: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3
fribidi-devel: before 1.0.5-3.3.1
fribidi: before 1.0.5-3.3.1
libfribidi0-32bit-debuginfo: before 1.0.5-3.3.1
libfribidi0-32bit: before 1.0.5-3.3.1
libfribidi0-debuginfo: before 1.0.5-3.3.1
libfribidi0: before 1.0.5-3.3.1
fribidi-debugsource: before 1.0.5-3.3.1
fribidi-debuginfo: before 1.0.5-3.3.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20211655-1/
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.