Vulnerability Details : CVE-2018-9251
Potential exploit
The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.
Vulnerability category: Denial of service
Products affected by CVE-2018-9251
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:2.9.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-9251
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-9251
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.6
|
LOW | AV:N/AC:H/Au:N/C:N/I:N/A:P |
4.9
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.6
|
3.6
|
NIST |
CWE ids for CVE-2018-9251
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-9251
-
https://bugzilla.gnome.org/show_bug.cgi?id=794914
Bug 794914 – DoS in libxml2 if liblzma-dev is installed (Different from Bug 757466)Exploit;Issue Tracking;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
[SECURITY] [DLA 1524-1] libxml2 security updateThird Party Advisory
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