CVE-2016-8569
Published: 3 February 2017
The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.
From the Ubuntu Security Team
It was discovered that libgit2 mishandled certain malformed git objects. A remove attacker could use this vulnerability to cause a denial of service.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libgit2 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(0.26.0+dfsg.1-1.1build1)
|
|
| cosmic |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| disco |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| eoan |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| focal |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| groovy |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| hirsute |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| impish |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| jammy |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
| precise |
Does not exist
|
|
| trusty |
Released
(0.19.0-2ubuntu0.4+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(0.25.1+really0.24.6-1)
|
|
| xenial |
Released
(0.24.1-2ubuntu0.2+esm1)
Available with Ubuntu Pro |
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |