Buffer overflow in PHP
CVE-2016-4342
ext/phar/phar_object.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 mishandles zero-length uncompressed data, which allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted (1) TAR, (2) ZIP, or (3) PHAR archive.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.053 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
- PHP — versions 5.6.0, 5.6.1, 5.6.2
- openSUSE Leap — versions 42.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/89154 (vdb-entry)
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- lists.opensuse.org/opensuse-updates/2016-06/msg00027.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-2750.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/04/28/2 (mailing-list, Exploit)
- php.net/ChangeLog-5.php
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- php.net/ChangeLog-7.php
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay
- bugs.php.net/bug.php
Frequently asked questions
- What is CVE-2016-4342?
- CVE-2016-4342 is a high-severity vulnerability in PHP, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-05-22.
- How severe is CVE-2016-4342?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-4342 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.