CVE-2021-36976

Published on: 07/20/2021 12:00:00 AM UTC

Last Modified on: 09/28/2022 08:02:00 PM UTC

CVE-2021-36976

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Certain versions of Ipados from Apple contain the following vulnerability:

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

  • CVE-2021-36976 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 4.3 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
Full Disclosure: APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4 seclists.org
text/html
 URL Logo FULLDISC 20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4
Full Disclosure: APPLE-SA-2022-03-14-4 macOS Monterey 12.3 seclists.org
text/html
 URL Logo FULLDISC 20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3
oss-fuzz-vulns/OSV-2021-557.yaml at main · google/oss-fuzz-vulns · GitHub github.com
text/html
 URL Logo MISC github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml
32375 - oss-fuzz - OSS-Fuzz: Fuzzing the planet - Monorail bugs.chromium.org
text/html
 URL Logo MISC bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
About the security content of watchOS 8.5 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT213193
About the security content of iOS 15.4 and iPadOS 15.4 - Apple Support support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT213182
[SECURITY] Fedora 35 Update: libarchive-3.5.3-1.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2022-9bb794c5f5
About the security content of macOS Monterey 12.3 - Apple Support (PH) support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT213183
Full Disclosure: APPLE-SA-2022-03-14-2 watchOS 8.5 seclists.org
text/html
 URL Logo FULLDISC 20220314 APPLE-SA-2022-03-14-2 watchOS 8.5
libarchive: Multiple Vulnerabilities (GLSA 202208-26) — Gentoo security security.gentoo.org
text/html
 URL Logo GENTOO GLSA-202208-26
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Related QID Numbers

  • 182946 Debian Security Update for libarchive (CVE-2021-36976)
  • 198669 Ubuntu Security Notification for libarchive Vulnerabilities (USN-5291-1)
  • 282426 Fedora Security Update for libarchive (FEDORA-2022-9bb794c5f5)
  • 354321 Amazon Linux Security Advisory for libarchive : ALAS2022-2022-201
  • 354419 Amazon Linux Security Advisory for libarchive : ALAS2022-2022-059
  • 354576 Amazon Linux Security Advisory for libarchive : ALAS-2022-201
  • 355173 Amazon Linux Security Advisory for libarchive : ALAS2023-2023-071
  • 376485 Apple MacOS Monterey 12.3 Not Installed (HT213183)
  • 376502 Cygwin libarchive Package Multiple Security Vulnerabilities
  • 378599 Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)
  • 501419 Alpine Linux Security Update for libarchive
  • 501965 Alpine Linux Security Update for libarchive
  • 610404 Apple iOS 15.4 and iPadOS 15.4 Security Update Missing
  • 671195 EulerOS Security Update for libarchive (EulerOS-SA-2022-1011)
  • 671221 EulerOS Security Update for libarchive (EulerOS-SA-2022-1031)
  • 671320 EulerOS Security Update for libarchive (EulerOS-SA-2022-1256)
  • 671331 EulerOS Security Update for libarchive (EulerOS-SA-2022-1244)
  • 710601 Gentoo Linux libarchive Multiple Vulnerabilities (GLSA 202208-26)
  • 751928 OpenSUSE Security Update for libarchive (openSUSE-SU-2022:0944-1)
  • 752017 SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:0944-1)
  • 752203 SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:1930-1)
  • 753607 SUSE Enterprise Linux Security Update for libarchive (SUSE-SU-2022:0944-2)
  • 900204 CBL-Mariner Linux Security Update for libarchive 3.4.2
  • 901760 Common Base Linux Mariner (CBL-Mariner) Security Update for libarchive (6614-1)
  • 903777 Common Base Linux Mariner (CBL-Mariner) Security Update for libarchive (4585-1)
  • 91851 Microsoft Windows Security Update for January 2022

Exploit/POC from Github

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block…

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		AppleIpadosAllAllAllAll
Operating
System		AppleIphone OsAllAllAllAll
Operating
System		AppleMacosAllAllAllAll
Operating
System		AppleWatchosAllAllAllAll
Operating
System		FedoraprojectFedora35AllAllAll
ApplicationLibarchiveLibarchiveAllAllAllAll
ApplicationLibarchiveLibarchiveAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-36976 : libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string called from do_uncompress_bloc… twitter.com/i/web/status/1… 2021-07-20 07:07:15
Twitter Icon @threatmeter CVE-2021-36976 libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block… twitter.com/i/web/status/1… 2021-07-21 07:50:33
Reddit Logo Icon /r/netcve CVE-2021-36976 2021-07-20 07:40:43
Reddit Logo Icon /r/k12cybersecurity MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution - PATCH: NOW 2022-03-15 13:18:46
Reddit Logo Icon /r/synology DSM Version: 7.1.1-42951 (Release Candidate) 2022-08-10 06:07:14
Reddit Logo Icon /r/synology Has anyone seen the release notes for the latest DSM 7.1.1 Release Candidate. Fixes a scary amount of CVEs. 2022-08-16 14:26:29
Reddit Logo Icon /r/synology DSM 7.1.1-42962 released! 2022-09-05 11:39:36
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