Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-34557 |
CWE-ID | CWE-119 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
SUSE Linux Enterprise Server Operating systems & Components / Operating system xscreensaver-debugsource Operating systems & Components / Operating system package or component xscreensaver-debuginfo Operating systems & Components / Operating system package or component xscreensaver-data-debuginfo Operating systems & Components / Operating system package or component xscreensaver-data Operating systems & Components / Operating system package or component xscreensaver Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU66593
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-34557
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows an attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error within the update_screen_layout() function. An attacker with physical access to the system can trigger memory corruption and bypass the standard screen lock authentication mechanism.
MitigationUpdate the affected package xscreensaver to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server: 12-SP5
xscreensaver-debugsource: before 5.22-8.3.1
xscreensaver-debuginfo: before 5.22-8.3.1
xscreensaver-data-debuginfo: before 5.22-8.3.1
xscreensaver-data: before 5.22-8.3.1
xscreensaver: before 5.22-8.3.1
CPE2.3 External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20222642-1/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.