PT-2018-15321 · Igraph+1 · Igraph+1

Leonzhao7 · Published 2018-12-22 · Updated 2023-10-04 · CVE-2018-20349

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions igraph versions through 0.7.1

Description The issue is related to a NULL pointer dereference in the igraph i strdiff function within igraph trie.c, which can be exploited by attackers to cause a denial of service, resulting in an application crash. This can be achieved via a crafted object.

Recommendations For versions through 0.7.1, consider updating to a patched version to mitigate this security risk. As a temporary workaround, consider taking necessary precautions to minimize the risk of exploitation.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-20349

DLA-2055-1

MGASA-2020-0013

RSEC-2023-4

USN-4644-1

Affected Products

Ubuntu

Igraph

References · 19

• 🔥 https://github.com/igraph/igraph/issues/1141 · Exploit
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20349 · Security Note
• https://osv.dev/vulnerability/DLA-2055-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4644-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-20349 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-20349 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20349 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20349 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20349 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0013 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0013.html · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4644-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20349 · Vendor Advisory