Improper input validation in PHP
CVE-2015-5589
The phar_convert_to_other function in ext/phar/phar_object.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 does not validate a file pointer before a close operation, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted TAR archive that is mishandled in a Phar::convertToData call.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.063 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- PHP — versions 5.6.0, 5.6.1, 5.6.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.php.net/bug.php
- www.debian.org/security/2015/dsa-3344 (vendor-advisory)
- www.securityfocus.com/bid/75974 (vdb-entry)
- php.net/ChangeLog-5.php
- git.php.net/
- openwall.com/lists/oss-security/2015/07/18/1 (mailing-list)
Frequently asked questions
- What is CVE-2015-5589?
- CVE-2015-5589 is a critical-severity vulnerability in PHP, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-05-16.
- How severe is CVE-2015-5589?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-5589 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.