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Strike ID:
E19-5oqy1
CVSS:
6.5 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
False Positive:
t
Variants:
4
Year:
2018

Description

This strike emulates a remote code execution via a POP chain attack on PhpBB forum platform. The vulnerability resides in calling the "file_exists" function with user supplied data when checking the ImageMagick binary path. An authenticated attacker may gain arbitrary code execution by uploading a polyglot JPEG-PHAR file beforehand then setting the ImageMagick path to the polyglot, using the "phar://" prefix.

CVE

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-19274

References

https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execut...