CVE-2017-18120 — HIGH (7.8)

Vulnerability Description

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.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Lcdf	Gifsicle	1.90

Related Weaknesses (CWE)

CWE-415

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739Mailing ListThird Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881120Mailing ListThird Party Advisory
https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f9PatchThird Party Advisory
https://github.com/kohler/gifsicle/issues/117Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878739Mailing ListThird Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881120Mailing ListThird Party Advisory
https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f9PatchThird Party Advisory
https://github.com/kohler/gifsicle/issues/117Third Party Advisory

FAQ

What is CVE-2017-18120?

CVE-2017-18120 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, becaus...

How severe is CVE-2017-18120?

CVE-2017-18120 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-18120?

Check the references section above for vendor advisories and patch information. Affected products include: Lcdf Gifsicle.