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Vulnerability Details : CVE-2018-1000877

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.
Publish Date : 2018-12-20 Last Update Date : 2019-01-17
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 415

- Products Affected By CVE-2018-1000877

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.10 Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
7 Application Libarchive Libarchive 3.1.2 ~~~x64~~ Version Details Vulnerabilities
8 Application Libarchive Libarchive 3.1.901a Version Details Vulnerabilities
9 Application Libarchive Libarchive 3.2.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2
Libarchive Libarchive 3

- References For CVE-2018-1000877

https://github.com/libarchive/libarchive/pull/1105
https://www.debian.org/security/2018/dsa-4360
DEBIAN DSA-4360
https://usn.ubuntu.com/3859-1/
UBUNTU USN-3859-1
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html
MLIST [debian-lts-announce] 20181221 [SECURITY] [DLA 1612-1] libarchive security update
https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31
http://www.securityfocus.com/bid/106324
BID 106324 Libarchive Multiple Denial Of Service Vulnerabilities Release Date:2018-12-20
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909

- Metasploit Modules Related To CVE-2018-1000877

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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