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hackeroneLibnexH1:73239
HistoryMar 18, 2015 - 12:00 a.m.

Internet Bug Bounty: ZIP Integer Overflow leads to writing past heap boundary

2015-03-1800:00:00
libnex
hackerone.com
$1500
30

0.953 High

EPSS

Percentile

99.4%

https://bugs.php.net/bug.php?id=69253

Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a ZIP archive that contains many entries, leading to a heap-based buffer overflow.