CVE-2011-4106Timthumb Code Injection
TimThumb <= 1.33 - Remote File Download
Published Jul 31, 2011 · Updated Sep 16, 2024 · Also known as WORDFENCE-e062c794-1ab7-4d44-95da-40cd401f3a37, e062c794-1ab7-4d44-95da-40cd401f3a37
Key Facts
Patch immediately- CVE-2011-4106 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Timthumb (Binarymoon), category-list-portfolio-page (wordpress-plugin), simple-post-thumbnails (wordpress-plugin).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 26, 2013. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- Fixed versions are available, including Timthumb 1.99, Timthumb 2.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
49/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 26, 2013
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
4
Proof-of-concept links
In-the-wild evidence
3
Reports of active use
Advisories And Exploit References
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/e062c794-1ab7-4d44-95da-40cd401f3a37?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/e062c794-1ab7-4d44-95da-40cd401f3a37?source=api-scan
- patchhttp://code.google.com/p/timthumb/issues/detail?id=212
- patchhttp://markmaunder.com/2011/08/02/technical-details-and-scripts-of-the-wordpress-timthumb-php-hack/
Description
TimThumb (timthumb.php) before 2.0 does not validate the entire source with the domain white list, which allows remote attackers to upload and execute arbitrary code via a URL containing a white-listed domain in the src parameter, then accessing it via a direct request to the file in the cache directory, as exploited in the wild in August 2011.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 26, 2013 | n/a | Not reported |
| Industry KEV feed | Oct 26, 2013 | n/a | Not reported |
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TimthumbBinarymoon | See advisory | 1.99 |
| category-list-portfolio-pagewordpress-plugin | See advisory | n/a |
| simple-post-thumbnailswordpress-plugin | See advisory | n/a |
Patched Releases
Timthumb
1.99, 2.0
Timeline
Publicly disclosed
Jul 31, 2011
Added to CIRCL KEV
Oct 26, 2013
Added to Industry KEV feed
Oct 26, 2013
Last updated
Sep 16, 2024
Weakness Type
- CWE-20 Improper Input Validation
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisorywordfence.com · e062c794-1ab7-4d44-95da-40cd401f3a37
- advisorywordfence.com · e062c794-1ab7-4d44-95da-40cd401f3a37
- patchcode.google.com · issues
- patchmarkmaunder.com · technical-details-and-scripts-of-the-wordpress-…
- exploitVulnCheck exploitation report
FAQ
Common Questions.
TimThumb (timthumb.php) before 2.0 does not validate the entire source with the domain white list, which allows remote attackers to upload and execute arbitrary code via a URL containing a white-listed domain in the src parameter, then accessing it via a direct request to the file in the cache directory, as exploited…
Affected: Timthumb (Binarymoon); category-list-portfolio-page (wordpress-plugin); simple-post-thumbnails (wordpress-plugin). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 26, 2013.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Timthumb 1.99, Timthumb 2.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2011-4106 On Your Attack Surface?
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