Vulnerability Details : CVE-2021-31229
Potential exploit
An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-31229
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:ezxml_project:ezxml:0.8.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31229
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31229
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-31229
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31229
-
https://lists.debian.org/debian-lts-announce/2021/07/msg00005.html
[SECURITY] [DLA 2705-1] scilab security updateThird Party Advisory
-
https://sourceforge.net/p/ezxml/bugs/26/
ezXML / Bugs / #26 Out-of-bounds write in ezxml_internal_dtd()Exploit;Issue Tracking;Patch;Third Party Advisory
Jump to