Vulnerability Name:

CVE-2021-36976 (CCN-205953)

Assigned:2021-03-23
Published:2021-03-23
Updated:2022-09-28
Summary:libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-36976

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20220314 APPLE-SA-2022-03-14-2 watchOS 8.5

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3

Source: CCN
Type: Google Security Research Issue 32375
libarchive:libarchive_fuzzer: Heap-use-after-free in copy_string

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375

Source: XF
Type: UNKNOWN
libarchive-cve202136976-dos(205953)

Source: MISC
Type: Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-9bb794c5f5

Source: CCN
Type: Microsoft Security TechCenter - January 2022
Libarchive Remote Code Execution Vulnerability

Source: GENTOO
Type: Third Party Advisory
GLSA-202208-26

Source: CCN
Type: Apple security document HT213182
About the security content of iOS 15.4 and iPadOS 15.4

Source: CCN
Type: Apple security document HT213183
About the security content of macOS Monterey 12.3

Source: CCN
Type: Apple security document HT213193
About the security content of watchOS 8.5

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/kb/HT213182

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/kb/HT213183

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/kb/HT213193

Source: CCN
Type: libarchive Web site
libarchive

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libarchive:libarchive:*:*:*:*:*:*:*:* (Version >= 3.4.1 and <= 3.5.2)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 12.3)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 15.4)
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 15.4)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 8.5)

  • Configuration CCN 1:
  • cpe:/a:libarchive:libarchive:3.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:libarchive:libarchive:3.5.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7994
    P
    bsdtar-3.5.1-150400.3.12.1 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:7575
    P
    libarchive-devel-3.5.1-150400.3.12.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3611
    P
    libjasper1-1.900.14-195.15.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3692
    P
    libunwind-1.1-11.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95322
    P
    Security update for libarchive (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94244
    P
    (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94453
    P
    (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:515
    P
    Security update for libarchive (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:93818
    P
    (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:95241
    P
    Security update for libarchive (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:94032
    P
    (Moderate)
    2022-06-02
    oval:org.opensuse.security:def:100103
    P
    (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:101862
    P
    Security update for libarchive (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:119156
    P
    Security update for libarchive (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:100441
    P
    (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:981
    P
    Security update for libarchive (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:100775
    P
    (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:1200
    P
    Security update for libarchive (Moderate)
    2022-03-24
    oval:org.opensuse.security:def:101673
    P
    Security update for libarchive (Moderate)
    2022-03-24
    BACK
    libarchive libarchive *
    fedoraproject fedora 35
    apple macos *
    apple iphone os *
    apple ipados *
    apple watchos *
    libarchive libarchive 3.4.1
    libarchive libarchive 3.5.1