CVE-2021-36976

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 v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375	Issue Tracking Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/	Mailing List Third Party Advisory
https://support.apple.com/kb/HT213182	Third Party Advisory
https://support.apple.com/kb/HT213193	Third Party Advisory
https://support.apple.com/kb/HT213183	Third Party Advisory
http://seclists.org/fulldisclosure/2022/Mar/28	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Mar/29	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Mar/27	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-26	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:watchos::::::::

Information

Published : 2021-07-20 00:15

Updated : 2022-09-28 13:02

NVD link : CVE-2021-36976

Mitre link : CVE-2021-36976

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

libarchive

libarchive

apple

macos
watchos
iphone_os
ipados

fedoraproject

fedora

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