Security Bulletin
This security bulletin contains one critical risk vulnerability.
EUVDB-ID: #VU3035
Risk: Critical
CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2011-4106
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.
The vulnerability exists due to improper storing of content in the cache directory when processing input. A remote attacker can send a specially crafted HTTP request containing a white-listed domain in the src parameter, upload a malicious PHP script and execute arbitrary PHP code.
Successful exploitation of the vulnerability may allow an attacker to execute arbitrary PHP code on the vulnerable system.
Note: the vulnerability was being actively exploited.
MitigationUpdate to version 2.0.
Vulnerable software versionsTimThumb: 1.99
CPE2.3 External linkshttps://code.google.com/archive/p/timthumb/issues/212
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. However, a fully functional exploit for this vulnerability is available.