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 Manager Retail Branch Server: 4.3
SUSE Linux Enterprise Workstation Extension: 15-SP4
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP4
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
libvncserver1-debuginfo: before 0.9.13-150400.3.3.1
libvncserver1: before 0.9.13-150400.3.3.1
libvncclient1-debuginfo: before 0.9.13-150400.3.3.1
libvncclient1: before 0.9.13-150400.3.3.1
LibVNCServer-devel: before 0.9.13-150400.3.3.1
LibVNCServer-debugsource: before 0.9.13-150400.3.3.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223540-1/
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.