Bug 1820601 (CVE-2020-7064) - CVE-2020-7064 php: Information disclosure in exif_read_data() function
Summary: CVE-2020-7064 php: Information disclosure in exif_read_data() function
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-7064
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: 1820602 1821136 1821137 1821138 1821139 1857714
Blocks: 1820607
TreeView+ depends on / blocked
 
Reported: 2020-04-03 12:45 UTC by Dhananjay Arunesh
Modified: 2021-02-16 20:19 UTC (History)
9 users (show)

Fixed In Version: php 7.2.9, php 7.3.16, php 7.4.4
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-09-08 13:19:05 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:3662 0 None None None 2020-09-08 09:47:25 UTC
Red Hat Product Errata RHSA-2020:5275 0 None None None 2020-12-01 12:03:22 UTC

Description Dhananjay Arunesh 2020-04-03 12:45:57 UTC 
A vulnerability was found in PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Comment 1 Dhananjay Arunesh 2020-04-03 12:46:26 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1820602]
Comment 2 Dhananjay Arunesh 2020-04-03 12:46:49 UTC 
External References:

https://bugs.php.net/bug.php?id=79282
Comment 3 Huzaifa S. Sidhpurwala 2020-04-06 07:09:29 UTC 
Upstream patch: http://git.php.net/?p=php-src.git;a=commit;h=0c77b4307df73217283a4aaf9313e1a33a0967ff
Comment 9 errata-xmlrpc 2020-09-08 09:47:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3662 https://access.redhat.com/errata/RHSA-2020:3662
Comment 10 Product Security DevOps Team 2020-09-08 13:19:05 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-2020-7064
Comment 11 errata-xmlrpc 2020-12-01 12:03:19 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 7.6 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS

Via RHSA-2020:5275 https://access.redhat.com/errata/RHSA-2020:5275
Note You need to log in before you can comment on or make changes to this bug.