CVE-2017-18120
Publication date 2 February 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
gifsicle | 22.04 LTS jammy |
Not affected
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Fixed 1.88-1ubuntu0.1~esm1
|
|
14.04 LTS trusty |
Fixed 1.78-1ubuntu0.1~esm1
|
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 · High |
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
Related Ubuntu Security Notices (USN)
- USN-4803-1
- Gifsicle vulnerabilities
- 15 March 2021
Other 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