Bug 1108447 (CVE-2014-4049) - CVE-2014-4049 php: heap-based buffer overflow in DNS TXT record parsing
Summary: CVE-2014-4049 php: heap-based buffer overflow in DNS TXT record parsing
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2014-4049
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1080180 1108449 1114521 1119563 1120503 1120504 1120981 1149762 1149771
Blocks: 1108453 1149858
TreeView+ depends on / blocked
 
Reported: 2014-06-12 04:52 UTC by Murray McAllister
Modified: 2021-02-17 06:29 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A heap-based buffer overflow flaw was found in the way PHP parsed DNS TXT records. A malicious DNS server or a man-in-the-middle attacker could possibly use this flaw to execute arbitrary code as the PHP interpreter if a PHP application used the dns_get_record() function to perform a DNS query.
Clone Of:
Environment:
Last Closed: 2014-10-31 09:48:55 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
PHP Bug Tracker 67432 0 None None None Never
Red Hat Product Errata RHSA-2014:1012 0 normal SHIPPED_LIVE Moderate: php53 and php security update 2014-08-06 09:14:44 UTC
Red Hat Product Errata RHSA-2014:1013 0 normal SHIPPED_LIVE Moderate: php security update 2014-08-06 10:05:17 UTC
Red Hat Product Errata RHSA-2014:1765 0 normal SHIPPED_LIVE Important: php54-php security update 2014-10-30 23:45:24 UTC
Red Hat Product Errata RHSA-2014:1766 0 normal SHIPPED_LIVE Important: php55-php security update 2014-10-30 23:45:12 UTC

Description Murray McAllister 2014-06-12 04:52:19 UTC 
Stefan Esser pointed out that the following commit fixes a heap-based buffer overflow in DNS TXT record parsing:

https://github.com/php/php-src/commit/b34d7849ed90ced9345f8ea1c59bc8d101c18468

A malicious server or man-in-the-middle attacker could possibly use this flaw to execute arbitrary code as the PHP interpreter if a PHP application uses dns_get_record() to perform a DNS query.
Comment 1 Murray McAllister 2014-06-12 04:54:13 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1108449]
Comment 2 Murray McAllister 2014-06-12 05:01:07 UTC 
CVE request: http://www.openwall.com/lists/oss-security/2014/06/12/2
Comment 8 Angelo Alvarez 2014-07-16 02:53:28 UTC 
Would be nice if someone updated https://access.redhat.com/security/cve/CVE-2014-4049 to confirm the CVE affects or does not affect PHP, PHP53 packages for RHEL-5 and RHEL-6.
Comment 10 Vincent Danen 2014-07-17 16:19:53 UTC 
Statement:

This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 5.
Comment 12 Martin Prpič 2014-07-28 11:12:45 UTC 
IssueDescription:

A heap-based buffer overflow flaw was found in the way PHP parsed DNS TXT records. A malicious DNS server or a man-in-the-middle attacker could possibly use this flaw to execute arbitrary code as the PHP interpreter if a PHP application used the dns_get_record() function to perform a DNS query.
Comment 13 errata-xmlrpc 2014-08-06 05:15:35 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 5

Via RHSA-2014:1012 https://rhn.redhat.com/errata/RHSA-2014-1012.html
Comment 14 errata-xmlrpc 2014-08-06 06:06:08 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 7

Via RHSA-2014:1013 https://rhn.redhat.com/errata/RHSA-2014-1013.html
Comment 17 errata-xmlrpc 2014-10-30 19:46:20 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections 1 for Red Hat Enterprise Linux 7
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.5 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.4 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.6 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6

Via RHSA-2014:1766 https://rhn.redhat.com/errata/RHSA-2014-1766.html
Comment 18 errata-xmlrpc 2014-10-30 19:47:52 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections 1 for Red Hat Enterprise Linux 7
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.5 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.4 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.6 EUS
  Red Hat Software Collections 1 for Red Hat Enterprise Linux 6

Via RHSA-2014:1765 https://rhn.redhat.com/errata/RHSA-2014-1765.html
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