#VU21274 Out-of-bounds read in libgd - CVE-2019-11038
Vulnerability identifier: #VU21274
Vulnerability risk: Medium
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
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 alpha1 - 2.2.5
External links
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929821
https://bugs.php.net/bug.php?id=77973
https://bugzilla.redhat.com/show_bug.cgi?id=1724149
https://bugzilla.redhat.com/show_bug.cgi?id=1724432
https://bugzilla.suse.com/show_bug.cgi?id=1140118
https://bugzilla.suse.com/show_bug.cgi?id=1140120
https://github.com/libgd/libgd/issues/501
https://lists.debian.org/debian-lts-announce/2019/06/msg00003.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKSSWFR2WPMUOIB5EN5ZM252NNEPYUTG/
https://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.
