Bug 1573805 (CVE-2018-10548)

Summary: CVE-2018-10548 php: NULL pointer dereference due to mishandling of ldap_get_dn return value allows DoS via malicious LDAP server reply
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: apmukher, fedora, hhorak, jorton, kbost, kwalker, ravpatil, rcollet, webstack-team, yozone
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: php 5.6.36, php 7.0.30, php 7.1.17, php 7.2.5 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-08-19 08:47:16 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1563859, 1573816, 1578454, 1578456, 1578457, 1578461    
Bug Blocks: 1573818, 1574650    

Description Adam Mariš 2018-05-02 09:56:04 UTC 
An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. ext/ldap/ldap.c allows remote LDAP servers to cause a denial of service (NULL pointer dereference and application crash) because of mishandling of the ldap_get_dn return value.

Upstream bug:

https://bugs.php.net/bug.php?id=76248

Upstream patch:

https://git.php.net/?p=php-src.git;a=commit;h=49782c54994ecca2ef2a061063bd5a7079c43527
Comment 1 Adam Mariš 2018-05-02 10:05:31 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1573816]
Comment 11 errata-xmlrpc 2019-08-19 08:42:28 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS

Via RHSA-2019:2519 https://access.redhat.com/errata/RHSA-2019:2519
Comment 12 Product Security DevOps Team 2019-08-19 08:47:16 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-10548