Gentoo update for bzip2

Published: 2017-08-21

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2016-3189
CWE-ID	CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gentoo Linux Operating systems & Components / Operating system
Vendor	Gentoo

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free memory corruption in bzip2recover

EUVDB-ID: #VU12

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3189

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause the target application to crash.

The vulnerability exists due to an use-after-free error in bzip2recover when handling bzip2 files. A remote unauthenticated attacker can send a specially crafted bzip2 archive and cause the target application to crash.

Successful exploitation of this vulnerability will result in denial of service.

Mitigation

Update the affected packages.
app-arch/bzip2 to version: 1.0.6-r8

Vulnerable software versions

Gentoo Linux: All versions

External links

http://security.gentoo.org/glsa/201708-08

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.