Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-3138 |
CWE-ID | CWE-787 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software |
SUSE Linux Enterprise Software Development Kit 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 SP4 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 SP4 ESPOS Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 SP2 BCL Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 12 Operating systems & Components / Operating system SUSE OpenStack Cloud Crowbar Operating systems & Components / Operating system SUSE OpenStack Cloud Operating systems & Components / Operating system libX11-devel Operating systems & Components / Operating system package or component libX11-data Operating systems & Components / Operating system package or component libX11-xcb1-32bit Operating systems & Components / Operating system package or component libX11-xcb1 Operating systems & Components / Operating system package or component libX11-xcb1-debuginfo-32bit Operating systems & Components / Operating system package or component libX11-xcb1-debuginfo Operating systems & Components / Operating system package or component libX11-6-debuginfo-32bit Operating systems & Components / Operating system package or component libX11-debugsource Operating systems & Components / Operating system package or component libX11-6-debuginfo Operating systems & Components / Operating system package or component libX11-6 Operating systems & Components / Operating system package or component libX11-6-32bit Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU77450
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/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-2023-3138
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within src/InitExt.c in libX11. A remote attacker can send specially crafted data to the server, trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Update the affected package libX11 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Software Development Kit 12: SP5
SUSE Linux Enterprise Server for SAP Applications 12: SP4 - SP5
SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4
SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4
SUSE Linux Enterprise Server 12: SP2 - SP5
SUSE Linux Enterprise Server 12 SP2 BCL: 12-SP2
SUSE Linux Enterprise High Performance Computing 12: SP2 - SP5
SUSE OpenStack Cloud Crowbar: 9
SUSE OpenStack Cloud: 9
libX11-devel: before 1.6.2-12.30.1
libX11-data: before 1.6.2-12.30.1
libX11-xcb1-32bit: before 1.6.2-12.30.1
libX11-xcb1: before 1.6.2-12.30.1
libX11-xcb1-debuginfo-32bit: before 1.6.2-12.30.1
libX11-xcb1-debuginfo: before 1.6.2-12.30.1
libX11-6-debuginfo-32bit: before 1.6.2-12.30.1
libX11-debugsource: before 1.6.2-12.30.1
libX11-6-debuginfo: before 1.6.2-12.30.1
libX11-6: before 1.6.2-12.30.1
libX11-6-32bit: before 1.6.2-12.30.1
CPE2.3https://www.suse.com/support/update/announcement/2023/suse-su-20232531-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.