Stack-based buffer overflow in mysql (Alpine package)

1) Stack-based buffer overflow

EUVDB-ID: #VU33687

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2012-5611

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

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 a long argument to the GRANT FILE command. per http://www.openwall. A remote unauthenticated attacker can trigger stack-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

mysql (Alpine package): 5.5.25-r0 - 5.5.28-r0

CPE2.3

• cpe:2.3:a:alpine:mysql_alpine_package:5.5.25-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:a:alpine:mysql_alpine_package:5.5.28-r0:*:*:*:*:alpine_linux:*:2.1

External links

https://git.alpinelinux.org/aports/commit/?id=df529d8817ba125071671041e349774417dd52e6
https://git.alpinelinux.org/aports/commit/?id=ed02b36f83c15723447588a318576a3f9d65ff86
https://git.alpinelinux.org/aports/commit/?id=0313e3bde5e3499e4da96f7e53d4ce15a6e5cc0b
https://git.alpinelinux.org/aports/commit/?id=f53562b70b2720801f3795958799d08e29bc3607

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.