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hackeroneHannoH1:477897
HistoryJan 11, 2019 - 10:11 a.m.

Internet Bug Bounty: buffer overread in base64 code of the xmlrpc module

2019-01-1110:11:55
hanno
hackerone.com
$500
55

0.011 Low

EPSS

Percentile

84.8%

Malformed input to the xmlrpc_decode function can cause an out of bounds read in the base64 code.

This is fixed in the latest updates of PHP (7.3.1 etc.)

Report:
https://bugs.php.net/bug.php?id=77380

Impact

If the attacker has access to the decoded output this may leak memory contents.