openEuler 20.03 LTS update for libX11
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-14344 CVE-2020-14363 |
| CWE-ID | CWE-190 CWE-415 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system libX11-debugsource Operating systems & Components / Operating system package or component libX11-help Operating systems & Components / Operating system package or component libX11-debuginfo Operating systems & Components / Operating system package or component libX11-devel Operating systems & Components / Operating system package or component libX11 Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Integer overflow
EUVDB-ID: #VU41865
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14344
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow in the X Input Method (XIM) client in libX11. A local user can run a specially crafted program, trigger integer overflow and execute arbitrary code on the system with elevated privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS
libX11-debugsource: before 1.6.9-4
libX11-help: before 1.6.9-4
libX11-debuginfo: before 1.6.9-4
libX11-devel: before 1.6.9-4
libX11: before 1.6.9-4
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1092
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Double Free
EUVDB-ID: #VU46027
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14363
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when handling locales in LibX11. A local user can run a specially crafted program to trigger integer overflow and double free and execute arbitrary code on the system with elevated privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS
libX11-debugsource: before 1.6.9-4
libX11-help: before 1.6.9-4
libX11-debuginfo: before 1.6.9-4
libX11-devel: before 1.6.9-4
libX11: before 1.6.9-4
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1092
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
