Heap-based buffer overflow in mutt (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU33286

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-2014-9116

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 in The write_one_header function in mutt 1.5.23 does not properly handle newline characters at the beginning of a header, which. A remote attacker can use a header with an empty body to trigger heap-based buffer 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

mutt (Alpine package): 1.5.23-r0 - 1.5.23-r1

CPE2.3

• cpe:2.3:o:alpine:mutt_alpine_package:1.5.23-r0:*:*:*:*:alpine_linux:*:2.4
• cpe:2.3:o:alpine:mutt_alpine_package:1.5.23-r1:*:*:*:*:alpine_linux:*:3.1

External links

https://git.alpinelinux.org/aports/commit/?id=d738607fd3b588d97f5836e04971392cc0d48ed5
https://git.alpinelinux.org/aports/commit/?id=65306a18e2d26e3724f00b5856166a87ebf4439e
https://git.alpinelinux.org/aports/commit/?id=1e5e7cc1578a74a3582a3b8e43a1b27efd8b1622

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.