Home/CVE/Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbi
CVE

CVE-2015-8562

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbi

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.

HIGH · CVSS 7.5 EPSS 0.92855
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
joomla joomla\!all versions
⚠

Public Exploits & PoCs

8
webappsJoomla! 1.5 < 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution2015-12-18
webappsJoomla! 1.5 < 3.4.5 - Object Injection Remote Command Executionverified
nucleiJoomla HTTP Header Unauthenticated - Remote Code Executionhigh
pocpacketstormsecurity.com · Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution....packetstormsecurity.com
pocpacketstormsecurity.com · Joomla-3.4.5-Object-Injection.htmlpacketstormsecurity.com
pocblog.sucuri.net · remote-command-execution-vulnerability-in-joomla.htmlblog.sucuri.net
pocwww.exploit-db.com · 38977www.exploit-db.com
pocwww.exploit-db.com · 39033www.exploit-db.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD16 Dec 2015 · 09:59 PM
⚑

Vendor Advisories

1
owasp-crsowasp-crs-rules-REQUEST-933-APPLICATION-ATTACK-PHP.conf
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce
http://www.securityfocus.com/archive/1/537219/100/0/threaded
http://www.securityfocus.com/bid/79195
https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.htmlVendor Advisory
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