CVE-2016-4343

The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

4.21% chance of exploitation in the next 30 days, 90th percentile

Published

2016-05-22

Updated

2024-08-06

Proof-of-concept exploits (1)

• https://bugs.php.net/bug.php?id=71331

References

• CVE Record
• NVD entry

Related

• CVE-2016-4340
• CVE-2016-4344
• CVE-2016-4338
• CVE-2016-4345
• CVE-2016-4337
• CVE-2016-4346