Integer overflow in libEMF - CVE-2020-13999

 

Integer overflow in libEMF - CVE-2020-13999

Published: September 8, 2022


Vulnerability identifier: #VU67136
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13999
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the ScaleViewPortExtEx() function in libemf.cpp when processing EMF files. A remote attacker can pass specially crafted EMF file to the application, trigger an integer overflow and crash the application.


Affected software

libEMF
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Workstation Extension
openSUSE Leap
openEuler
Fedora
libEMF1
libEMF1-debuginfo
libEMF-devel
libEMF-debugsource
libEMF-utils-debuginfo
libEMF-utils
libEMF-debuginfo
libEMF
libEMF-help

How to mitigate CVE-2020-13999

Install updates from vendor's website.

libEMF - update to 1.0.13
libEMF1 - addressed in versions 1.0.7-11.6.1, 1.0.7-150000.3.6.1
libEMF1-debuginfo - addressed in versions 1.0.7-11.6.1, 1.0.7-150000.3.6.1
libEMF-devel - addressed in versions 1.0.7-11.6.1, 1.0.7-150000.3.6.1
libEMF-debugsource - addressed in versions 1.0.7-11.6.1, 1.0.7-150000.3.6.1
libEMF-utils-debuginfo - update to 1.0.7-150000.3.6.1
libEMF-utils - update to 1.0.7-150000.3.6.1
libEMF-debuginfo - update to 1.0.7-150000.3.6.1
libEMF - update to 1.0.13-1
libEMF-devel - update to 1.0.13-1
libEMF-debuginfo - update to 1.0.13-1
libEMF-help - update to 1.0.13-1
libEMF-debugsource - update to 1.0.13-1
libEMF - addressed in versions 1.0.13-1.fc31, 1.0.13-1.fc32

External References

Related Security Bulletins