CVE-2018-1000877
Published: 20 December 2018
libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0 that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.
Priority
Status
Package | Release | Status |
---|---|---|
libarchive Launchpad, Ubuntu, Debian |
bionic |
Released
(3.2.2-3.1ubuntu0.2)
|
cosmic |
Released
(3.2.2-5ubuntu0.1)
|
|
trusty |
Released
(3.1.2-7ubuntu2.7)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(3.1.2-11ubuntu0.16.04.5)
|
|
Patches: upstream: https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |