openEuler update for sudo
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-37434 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
openEuler Operating systems & Components / Operating system sudo-help Operating systems & Components / Operating system package or component sudo-debugsource Operating systems & Components / Operating system package or component sudo-devel Operating systems & Components / Operating system package or component sudo-debuginfo Operating systems & Components / Operating system package or component sudo Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU66153
Risk: High
CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]
CVE-ID: CVE-2022-37434
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a large gzip header within inflateGetHeader in inflate.c. A remote attacker can pass a specially crafted file to the affected application, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS
sudo-help: before 1.9.2-6
sudo-debugsource: before 1.9.2-6
sudo-devel: before 1.9.2-6
sudo-debuginfo: before 1.9.2-6
sudo: before 1.9.2-6
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
- cpe:2.3:a:openeuler:sudo-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:sudo-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:sudo-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:sudo-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:sudo:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1892
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. However, proof of concept for this vulnerability is available.
