Vulnerability Details : CVE-2018-20349
The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-20349
- cpe:2.3:a:igraph:igraph:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20349
0.42%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20349
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:3.0/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-2018-20349
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20349
-
https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
[SECURITY] [DLA 2055-1] igraph security update
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https://github.com/igraph/igraph/issues/1141
NULL Pointer Dereference vulneribility in igraph_i_strdiff function · Issue #1141 · igraph/igraph · GitHubExploit;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/
[SECURITY] Fedora 29 Update: igraph-0.7.1-12.fc29 - package-announce - Fedora Mailing-Lists
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/
[SECURITY] Fedora 30 Update: igraph-0.7.1-12.fc30 - package-announce - Fedora Mailing-Lists
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