Buffer overflow in file (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32802

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-1571

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

file before 5.11 and libmagic allow remote attackers to cause a denial of service (crash) via a crafted Composite Document File (CDF) file that triggers (1) an out-of-bounds read or (2) an invalid pointer dereference.

Mitigation

Install update from vendor's website.

Vulnerable software versions

file (Alpine package): 5.03-r0 - 5.09-r0

CPE2.3

• cpe:2.3:o:alpine:file_alpine_package:5.03-r0:*:*:*:*:alpine_linux:*:1.9
• cpe:2.3:o:alpine:file_alpine_package:5.04-r0:*:*:*:*:alpine_linux:*:1.10
• cpe:2.3:o:alpine:file_alpine_package:5.04-r2:*:*:*:*:alpine_linux:*:2.0

External links

https://git.alpinelinux.org/aports/commit/?id=d27b851f7a20df45cc8da9f3d423130d73bbd0c0
https://git.alpinelinux.org/aports/commit/?id=4a9160cf3ac0253898afc3dabcffffcf68da1883
https://git.alpinelinux.org/aports/commit/?id=cca61df05540569ea80237e1ef9f9c9fabd8288f

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.