CVE-2018-20349
Published: 22 December 2018
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.
From the Ubuntu Security Team
It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service (crash).
Priority
Status
| Package | Release | Status |
|---|---|---|
|
igraph Launchpad, Ubuntu, Debian |
bionic |
Released
(0.7.1-2.1+deb9u1build0.18.04.1)
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(0.7.1-4)
|
|
| eoan |
Not vulnerable
(0.7.1-4)
|
|
| focal |
Not vulnerable
(0.7.1-4)
|
|
| groovy |
Not vulnerable
(0.7.1-4)
|
|
| trusty |
Does not exist
(trusty was needs-triage)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(0.7.1-2.1+deb9u1build0.16.04.1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |