High severity · published Mar 27, 2019
CVE-2019-3817
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libcomps · Rpm
before 0.1.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3817
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3817
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3583
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3898
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3817
Patch
https://github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758876d415e7046
Exploit
https://github.com/rpm-software-management/libcomps/issues/41