Uninitialized read in gdImageCreateFromXbm
Vulnerability Description
When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to supply data that will cause the function to use the value of uninitialized variable. This may lead to disclosing contents of the stack that has been left there by previous code.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2019-11038
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- By chamal dot desilva at gmail dot com
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PKSSWFR2WPMUOIB5EN5ZM252NNEPYUTG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAZBVK6XNYEIN7RDQXESSD63QHXPLKWL/
- https://lists.debian.org/debian-lts-announce/2019/06/msg00003.html
- https://bugs.php.net/bug.php?id=77973
- https://github.com/libgd/libgd/issues/501
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929821
- https://bugzilla.suse.com/show_bug.cgi?id=1140118
- https://bugzilla.suse.com/show_bug.cgi?id=1140120
- https://bugzilla.redhat.com/show_bug.cgi?id=1724149
- https://bugzilla.redhat.com/show_bug.cgi?id=1724432
- https://access.redhat.com/errata/RHSA-2019:2519
- https://www.debian.org/security/2019/dsa-4529
- https://seclists.org/bugtraq/2019/Sep/38
- https://access.redhat.com/errata/RHSA-2019:3299
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
- https://usn.ubuntu.com/4316-2/
- https://usn.ubuntu.com/4316-1/
More from PHP Group
View All →Affected Vendor
PHP Group
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.