PT-2017-2768 · Php+2 · Php+2

Published 2017-01-09 · Updated 2018-05-04 · CVE-2017-12932

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PHP versions 7.0.x through 7.0.22 PHP versions 7.1.x through 7.1.8

Description The issue is related to a heap use after free while unserializing untrusted data, due to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Recommendations For PHP versions 7.0.x through 7.0.22, update to a version later than 7.0.22 to resolve the issue. For PHP versions 7.1.x through 7.1.8, update to a version later than 7.1.8 to resolve the issue.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2017-2239

BDU:2017-02024

CVE-2017-12932

DSA-4080-1

RHSA-2018:1296

RHSA-2019:2519

SUSE-SU-2017:2468-1

SUSE-SU-2017_2468-1

Affected Products

Alt Linux

Php

Suse

References · 58

• https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 · Patch
• https://access.redhat.com/errata/RHSA-2018:1296 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12932 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02423 · Security Note
• https://bdu.fstec.ru/vul/2017-02023 · Security Note
• http://php.net/ChangeLog-7.php · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5712 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-12932 · Vendor Advisory
• https://bugs.php.net/bug.php?id=74103 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2019:2519 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11628 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12932 · Security Note
• https://bdu.fstec.ru/vul/2022-02424 · Security Note
• https://errata.altlinux.org/ALT-PU-2017-2239 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12934 · Security Note