CVE-2017-11144
HIGH severity · CVSS 7.5 · CWE-754
7.5CVSS HIGH
Summary
In PHP before 5.6.31, 7.x before 7.0.21, and 7.1.x before 7.1.7, the openssl extension PEM sealing code did not check the return value of the OpenSSL sealing function, which could lead to a crash of the PHP interpreter, related to an interpretation conflict for a negative number in ext/openssl/openssl.c, and an OpenSSL documentation omission.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)41%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://php.net/ChangeLog-5.phpAdvisory
- http://php.net/ChangeLog-7.phpAdvisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=73cabfedf519298e1a11192699f44d53c529315e
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=89637c6b41b510c20d262c17483f582f115c66d6
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=91826a311dd37f4c4e5d605fa7af331e80ddd4c3
- http://openwall.com/lists/oss-security/2017/07/10/6
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=74651Advisory