CVE-2019-1000020
Published: 4 February 2019
libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libarchive Launchpad, Ubuntu, Debian |
bionic |
Released
(3.2.2-3.1ubuntu0.3)
|
| cosmic |
Released
(3.2.2-5ubuntu0.2)
|
|
| trusty |
Released
(3.1.2-7ubuntu2.8)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(3.1.2-11ubuntu0.16.04.6)
|
|
|
Patches: upstream: https://github.com/libarchive/libarchive/commit/8312eaa576014cd9b965012af51bc1f967b12423 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |