#VU21274 Out-of-bounds read in libgd
Vulnerability identifier: #VU21274
Vulnerability risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libgd
Universal components / Libraries /
Libraries used by multiple products
Vendor: GD Software
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD). A remote attacker can create a specially crafted image, pass it to the affected application, trigger out-of-bounds read error and read contents of memory on the system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
libgd: 2.1.0 - 2.2.5
External links
http://access.redhat.com/errata/RHSA-2019:2519
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929821
http://bugs.php.net/bug.php?id=77973
http://bugzilla.redhat.com/show_bug.cgi?id=1724149
http://bugzilla.redhat.com/show_bug.cgi?id=1724432
http://bugzilla.suse.com/show_bug.cgi?id=1140118
http://bugzilla.suse.com/show_bug.cgi?id=1140120
http://github.com/libgd/libgd/issues/501
http://lists.debian.org/debian-lts-announce/2019/06/msg00003.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKSSWFR2WPMUOIB5EN5ZM252NNEPYUTG/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAZBVK6XNYEIN7RDQXESSD63QHXPLKWL/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
