Gentoo update for libarchive

Published: 2017-10-18

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-10349 CVE-2016-10350
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Gentoo Linux Operating systems & Components / Operating system
Vendor	Gentoo

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer over-read

EUVDB-ID: #VU15951

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-10349

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the archive_le32dec function in archive_endian.h in libarchive. A remote attacker can trigger heap-based buffer over-read and application crash via a specially crafted file.

Mitigation

Update the affected packages.
app-arch/libarchive to version: 3.3.0

Vulnerable software versions

Gentoo Linux: All versions

CPE2.3

cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

External links

https://security.gentoo.org/glsa/201710-19

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.

2) Buffer over-read

EUVDB-ID: #VU15953