SUSE update for LibVNCServer
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-29260 |
| CWE-ID | CWE-401 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise Software Development Kit Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system libvncserver0-debuginfo Operating systems & Components / Operating system package or component libvncserver0 Operating systems & Components / Operating system package or component libvncclient0-debuginfo Operating systems & Components / Operating system package or component libvncclient0 Operating systems & Components / Operating system package or component LibVNCServer-devel Operating systems & Components / Operating system package or component LibVNCServer-debugsource Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Memory leak
EUVDB-ID: #VU67972
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
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 Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server for SAP Applications: 12-SP5
SUSE Linux Enterprise Server: 12-SP5
libvncserver0-debuginfo: before 0.9.9-17.41.1
libvncserver0: before 0.9.9-17.41.1
libvncclient0-debuginfo: before 0.9.9-17.41.1
libvncclient0: before 0.9.9-17.41.1
LibVNCServer-devel: before 0.9.9-17.41.1
LibVNCServer-debugsource: before 0.9.9-17.41.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:libvncserver0-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libvncserver0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libvncclient0-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libvncclient0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libvncserver-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libvncserver-debugsource:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2022/suse-su-20224330-1/
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.
