Gentoo update for RAR, UnRAR
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-30333 CVE-2023-40477 |
| CWE-ID | CWE-22 CWE-129 |
| Exploitation vector | Network |
| Public exploit |
Vulnerability #1 is being exploited in the wild. Public exploit code for vulnerability #2 is available. |
| Vulnerable software |
Gentoo Linux Operating systems & Components / Operating system app-arch/unrar Operating systems & Components / Operating system package or component app-arch/rar Operating systems & Components / Operating system package or component |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Path traversal
EUVDB-ID: #VU62908
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID: CVE-2022-30333
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences when extracting files from archive. A remote attacker can create a specially crafted archive and overwrite arbitrary files on the system with privileges of the current user.
The vulnerability affects Linux and UNIX systems.
Update the affected packages.
app-arch/rar to version: 6.23
app-arch/unrar to version: 6.2.10
Gentoo Linux: All versions
app-arch/unrar: before 6.2.10
app-arch/rar: before 6.23
CPE2.3- cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:
- cpe:2.3:o:gentoo:app-arch_unrar:*:*:*:*:*:gentoo_linux:*:
- cpe:2.3:o:gentoo:app-arch_rar:*:*:*:*:*:gentoo_linux:*:
http://security.gentoo.org/glsa/202309-04
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?
Yes. This vulnerability is being exploited in the wild.
2) Improper Validation of Array Index
EUVDB-ID: #VU79711
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-40477
CWE-ID:
CWE-129 - Improper Validation of Array Index
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper validation of array index when processing recovery volumes. A remote attacker can trick the victim to open a specially crafted archive and execute arbitrary code on the system.
Update the affected packages.
app-arch/rar to version: 6.23
app-arch/unrar to version: 6.2.10
Gentoo Linux: All versions
app-arch/unrar: before 6.2.10
app-arch/rar: before 6.23
CPE2.3- cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:
- cpe:2.3:o:gentoo:app-arch_unrar:*:*:*:*:*:gentoo_linux:*:
- cpe:2.3:o:gentoo:app-arch_rar:*:*:*:*:*:gentoo_linux:*:
http://security.gentoo.org/glsa/202309-04
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.
