CVE-2018-5747 — MEDIUM (5.5)

Vulnerability Description

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Long Range Zip Project	Long Range Zip	0.631
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/ckolivas/lrzip/issues/90ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00001.htmlMailing ListThird Party Advisory
https://github.com/ckolivas/lrzip/issues/90ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00001.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2018-5747?

CVE-2018-5747 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz...

How severe is CVE-2018-5747?

CVE-2018-5747 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-5747?

Check the references section above for vendor advisories and patch information. Affected products include: Long Range Zip Project Long Range Zip, Debian Debian Linux.