// For flags

CVE-2018-1000877

libarchive: Double free in RAR decoder resulting in a denial of service

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

libarchive, con el commit con ID 416694915449219d505531b1096384f3237dd6cc y siguientes (desde la v3.1.0) contiene una vulnerabilidad CWE-415: doble liberación (double free) en el descodificador RAR; libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) con new_size = 0, lo que puede resultar en un cierre inesperado/denegación de servicio (DoS). El ataque parece ser explotable si una víctima abre un archivo RAR especialmente manipulado.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-12-13 CVE Reserved
  • 2018-12-20 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-415: Double Free
  • CWE-416: Use After Free
CAPEC
References (17)
URL Tag Source
http://www.securityfocus.com/bid/106324 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 Third Party Advisory
https://github.com/libarchive/libarchive/pull/1105 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html Mailing List
URL Date SRC
URL Date SRC
https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31 2023-11-07
URL Date SRC
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html 2023-11-07
https://access.redhat.com/errata/RHSA-2019:2298 2023-11-07
https://access.redhat.com/errata/RHSA-2019:3698 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF 2023-11-07
https://usn.ubuntu.com/3859-1 2023-11-07
https://www.debian.org/security/2018/dsa-4360 2023-11-07
https://access.redhat.com/security/cve/CVE-2018-1000877 2019-11-05
https://bugzilla.redhat.com/show_bug.cgi?id=1663887 2019-11-05
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Libarchive
Search vendor "Libarchive"
 Libarchive
Search vendor "Libarchive" for product "Libarchive"
 >= 3.1.0 < 3.4.0
Search vendor "Libarchive" for product "Libarchive" and version " >= 3.1.0 < 3.4.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Debian
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 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 18.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 28
Search vendor "Fedoraproject" for product "Fedora" and version "28"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 29
Search vendor "Fedoraproject" for product "Fedora" and version "29"
-
Affected
Fedoraproject
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 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 30
Search vendor "Fedoraproject" for product "Fedora" and version "30"
-
Affected
Redhat
Search vendor "Redhat"
 Enterprise Linux Desktop
Search vendor "Redhat" for product "Enterprise Linux Desktop"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"
-
Affected
Redhat
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 Enterprise Linux Server
Search vendor "Redhat" for product "Enterprise Linux Server"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"
-
Affected
Redhat
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 Enterprise Linux Workstation
Search vendor "Redhat" for product "Enterprise Linux Workstation"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"
-
Affected