Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-1664 |
CWE-ID | CWE-22 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system dpkg-perl Operating systems & Components / Operating system package or component dpkg-debugsource Operating systems & Components / Operating system package or component dpkg-devel Operating systems & Components / Operating system package or component dpkg-help Operating systems & Components / Operating system package or component dpkg-debuginfo Operating systems & Components / Operating system package or component dpkg Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU63711
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-1664
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error in Dpkg::Source::Archive in dpkg when extracting untrusted source packages in the v2 and v3
source package formats that include a debian.tar. A remote attacker can create a specially crafted package with symbolic links that point to files outside the source tree root directory and overwrite arbitrary files on the system.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS
dpkg-perl: before 1.18.25-11
dpkg-debugsource: before 1.18.25-11
dpkg-devel: before 1.18.25-11
dpkg-help: before 1.18.25-11
dpkg-debuginfo: before 1.18.25-11
dpkg: before 1.18.25-11
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1703
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.