Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU67972
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-29260
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the rfbClientCleanup() function. A remote attacker can force the server to leak memory and perform denial of service attack.
MitigationUpdate the affected package LibVNCServer to the latest version.
Vulnerable software versionsSUSE Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.2 - 4.3
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3 - 15-SP4
SUSE Manager Server: 4.2 - 4.3
SUSE Manager Proxy: 4.2 - 4.3
SUSE Linux Enterprise Workstation Extension: 15-SP3
SUSE Linux Enterprise Desktop: 15-SP3
openSUSE Leap: 15.3 - 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4
SUSE Linux Enterprise Server: 15-SP3 - 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4
LibVNCServer-devel: before 0.9.10-150000.4.29.1
LibVNCServer-debugsource: before 0.9.10-150000.4.29.1
libvncserver0-debuginfo: before 0.9.10-150000.4.29.1
libvncserver0: before 0.9.10-150000.4.29.1
libvncclient0-debuginfo: before 0.9.10-150000.4.29.1
libvncclient0: before 0.9.10-150000.4.29.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223990-1/
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.