CVE-2015-8562

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 94.00% Top 5%
Vendor Advisory joomla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/39033/ exploit
http://www.securityfocus.com/archive/1/537219/100/0/threaded mailing list
https://www.exploit-db.com/exploits/38977/ exploit
http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html
http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html exploit
https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html vendor advisory
http://www.securityfocus.com/bid/79195 vdb entry
http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce
https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html exploit

Frequently Asked Questions

What is the severity of CVE-2015-8562?
CVE-2015-8562 has been scored as a high severity vulnerability.
How to fix CVE-2015-8562?
To fix CVE-2015-8562, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8562 being actively exploited in the wild?
It is possible that CVE-2015-8562 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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