Input validation error in tinyproxy (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-3505
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 tinyproxy (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33318

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-2012-3505

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU and memory consumption) via (1) a large number of headers or (2) a large number of forged headers that trigger hash collisions predictably.

Mitigation

Install update from vendor's website.

Vulnerable software versions

tinyproxy (Alpine package): 1.6.5-r7

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=bb68f414c363d434f63d836ea89ca949dcd2f3be
https://git.alpinelinux.org/aports/commit/?id=b9015f355a56e1ae6e7996ddbf4c09b78e5072eb
https://git.alpinelinux.org/aports/commit/?id=d7c55cd683734666163de29824806a7096e998b3
https://git.alpinelinux.org/aports/commit/?id=e6d0c480e639ebd423330b10f8ff0df492aedfab


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.



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