CVE-2017-18120
Published: 2 February 2018
A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421.
From the Ubuntu Security Team
It was discovered that Gifsicle did not properly handle certain input. If a user were tricked into opening a malicious GIF, an attacker could potentially execute arbitrary code.
Priority
Status
Package | Release | Status |
---|---|---|
gifsicle Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
(1.91-2)
|
|
cosmic |
Not vulnerable
(1.91-2)
|
|
disco |
Not vulnerable
(1.91-2)
|
|
eoan |
Not vulnerable
(1.91-2)
|
|
focal |
Not vulnerable
(1.91-2)
|
|
groovy |
Not vulnerable
(1.91-2)
|
|
hirsute |
Not vulnerable
(1.91-2)
|
|
impish |
Not vulnerable
(1.91-2)
|
|
jammy |
Not vulnerable
(1.91-2)
|
|
trusty |
Released
(1.78-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(1.91-1)
|
|
xenial |
Released
(1.88-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881120
- https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909
- https://github.com/kohler/gifsicle/commit/263cd4519f45bc6ecde74ee280eb1d68ee2de642
- https://github.com/kohler/gifsicle/issues/117
- https://www.cve.org/CVERecord?id=CVE-2017-18120
- NVD
- Launchpad
- Debian