#VU45364 Input validation error in Vanilla - CVE-2011-0910

Vulnerability identifier: #VU45364

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-0910

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vanilla
Other software / Other software solutions

Vendor: Lussumo

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Vanilla: 2.0.9 - 2.0.17.4

---

External links
https://www.vanillaforums.org/discussion/comment/134729/#Comment_134729

---

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.