Buffer overflow in antiword (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32985

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-2014-8123

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing certain files in bGetPPS() function in wordole.c. A remote attacker can create a specially crafted document, trick the victim into opening it, trigger memory corruption 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

wireshark (Alpine package): 2.6.2-r0 - 3.2.2-r0

antiword (Alpine package): 0.37-r2

CPE2.3

• cpe:2.3:o:alpine:wireshark_alpine_package:3.2.1-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:wireshark_alpine_package:3.0.3-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:wireshark_alpine_package:3.0.5-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:antiword_alpine_package:0.37-r2:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=32f2fbbd08d6da2be657102f62ee69d3fb000406
http://git.alpinelinux.org/aports/commit/?id=9e84d5d9db35bca9818e5525569fcdc9dec73950
http://git.alpinelinux.org/aports/commit/?id=63d6d77cb519d79e4647e592d68d9ce1dcb11036
http://git.alpinelinux.org/aports/commit/?id=b530ee0f9b19fbf2f28b9e941feaa369af78a5af
http://git.alpinelinux.org/aports/commit/?id=b53e06d83f6743f8a5b6a7bac9893af4033d27be

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.