Integer overflow in musl (Alpine package)

Published: 2016-10-20

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2016-8859
CWE-ID	CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	musl (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU27333

Risk: Medium

CVSSv4.0: 4.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-8859

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow when processing a large number of states or tags. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

musl (Alpine package): 1.1.11-r4

CPE2.3

cpe:2.3:o:alpine:musl_alpine_package:1.1.11-r4:*:*:*:*:alpine_linux:*:3.2

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.