Vulnerability Details : CVE-2018-20592
In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-20592
Probability of exploitation activity in the next 30 days: 0.41%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-20592
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
[email protected] |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
[email protected] |
CWE ids for CVE-2018-20592
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: [email protected] (Primary)
References for CVE-2018-20592
-
https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_2.txt.err
Exploit;Third Party Advisory
-
https://github.com/michaelrsweet/mxml/issues/237
Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/[email protected]/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/[email protected]/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/
Mailing List;Third Party Advisory
-
https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_1.txt.err
Exploit;Third Party Advisory
Products affected by CVE-2018-20592
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:a:msweet:mini-xml:2.12:*:*:*:*:*:*:*