Integer overflow in libexif - CVE-2019-9278

 

Integer overflow in libexif - CVE-2019-9278

Published: June 17, 2020


Vulnerability identifier: #VU29108
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-9278
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

libexif
Gentoo Linux
Debian Linux
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Slackware Linux
Opensuse
openEuler
Fedora
libexif (Alpine package)
libexif (Red Hat package)
libexif (Debian package)
libexif-help
libexif-debugsource
libexif-debuginfo
libexif-devel
libexif

How to mitigate CVE-2019-9278

Install updates from vendor's website.

libexif - update to 0.6.22
libexif (Alpine package) - update to 0.6.22-r0
libexif (Red Hat package) - addressed in versions 0.6.22-1.el7, 0.6.22-4.el8
libexif (Debian package) - addressed in versions 0.6.21-2+deb9u1, 0.6.21-5.1+deb10u1
libexif-help - update to 0.6.21-25
libexif-debugsource - update to 0.6.21-25
libexif-debuginfo - update to 0.6.21-25
libexif-devel - update to 0.6.21-25
libexif - update to 0.6.21-25
libexif - addressed in versions 0.6.22-1.fc31, 0.6.22-1.fc32

External References

Related Security Bulletins