Stack-based buffer overflow in quagga (Alpine package)

1) Stack-based buffer overflow

EUVDB-ID: #VU32600

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2236

CWE-ID: CWE-121 - Stack-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 within the new_msg_lsa_change_notify function in the OSPFD API (ospf_api.c) when processing a large LSA. 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

quagga (Alpine package): 0.99.21-r3

CPE2.3

• cpe:2.3:a:alpine:quagga_alpine_package:0.99.21-r3:*:*:*:*:alpine_linux:*:2.4

External links

https://git.alpinelinux.org/aports/commit/?id=2ec54a88f9fc8d7992c73a2a5462630025bcc7e8
https://git.alpinelinux.org/aports/commit/?id=f190c78b47866318407b91618adb341d02468e1c

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.