CVE-2016-4343
high
CVSS v3
8.8
CVSS v2
6.8
VIR risk
8.8
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.
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cve@mitre.org — https://bugs.php.net/bug.php?id=71331
Vendor advisory: cve@mitre.org — http://php.net/ChangeLog-7.php
Vendor advisory: cve@mitre.org — http://php.net/ChangeLog-5.php
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-4343.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| suse | 13.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| php | php | {"endExcluding":"5.5.36"} | 5.5.36 |
References
- https://www.suse.com/security/cve/CVE-2016-4343.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.openwall.com/lists/oss-security/2016/04/28/2
- http://www.securityfocus.com/bid/89179
- https://bugs.php.net/bug.php?id=71331
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
CWEs
CWE-824
Verify integrity in audit chain (admin only). AS-IS.