Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | < 5.5.36 |
| Opensuse | Opensuse | 13.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlMailing ListThird Party Advisory
- http://php.net/ChangeLog-5.phpRelease NotesVendor Advisory
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/04/28/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/89179Third Party AdvisoryVDB Entry
- https://bugs.php.net/bug.php?id=71331ExploitIssue TrackingVendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-cThird Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-cThird Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-cThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlMailing ListThird Party Advisory
- http://php.net/ChangeLog-5.phpRelease NotesVendor Advisory
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/04/28/2Mailing ListThird Party Advisory
FAQ
What is CVE-2016-4343?
CVE-2016-4343 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...
How severe is CVE-2016-4343?
CVE-2016-4343 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4343?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Opensuse Opensuse.