Input validation error in links (Alpine package)

1) Input validation error

EUVDB-ID: #VU33854

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-2013-6050

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Integer overflow in Links before 2.8 allows remote attackers to cause a denial of service (crash) via crafted HTML tables.

Mitigation

Install update from vendor's website.

Vulnerable software versions

bind (Alpine package): 9.9.3_p2-r0 - 9.9.4_p1-r1

links (Alpine package): 2.6-r0 - 2.7-r0

CPE2.3

• cpe:2.3:a:alpine:bind_alpine_package:9.9.3_p2-r0:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:bind_alpine_package:9.9.4-r0:*:*:*:*:alpine_linux:*:2.4
• cpe:2.3:a:alpine:bind_alpine_package:9.9.4_p1-r0:*:*:*:*:alpine_linux:*:2.6
• cpe:2.3:a:alpine:links_alpine_package:2.6-r0:*:*:*:*:alpine_linux:*:2.4
• cpe:2.3:a:alpine:links_alpine_package:2.7-r0:*:*:*:*:alpine_linux:*:2.4

External links

https://git.alpinelinux.org/aports/commit/?id=70463ed5403c6d48af291af6a5f44dd47c603727
https://git.alpinelinux.org/aports/commit/?id=0d38ba47517ce681ae8c066e2262842d28d5d092

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.