CVE-2017-8847 Information

Description

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

CVSS Vector

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

Reference

https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-bufreadget-libzpaq-h/ https://github.com/ckolivas/lrzip/issues/67 https://security.gentoo.org/glsa/202005-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5