Ubuntu update for libarchive



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-20696
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

libarchive13 (Ubuntu package)
Operating systems & Components / Operating system package or component

libarchive13t64 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU85183

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20696

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to integer overflow within the rar4 reader in Libarchive. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Mitigation

Update the affected package libarchive to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

libarchive13 (Ubuntu package): before 3.6.0-1ubuntu1.3

libarchive13t64 (Ubuntu package): before 3.7.4-1ubuntu0.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7087-1


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.



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