Vulnerability Details : 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).
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-36976
Probability of exploitation activity in the next 30 days: 0.54%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 77 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-36976
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-36976
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-36976
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/
[SECURITY] Fedora 35 Update: libarchive-3.5.3-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://support.apple.com/kb/HT213183
About the security content of macOS Monterey 12.3 - Apple SupportThird Party Advisory
-
https://support.apple.com/kb/HT213193
About the security content of watchOS 8.5 - Apple SupportThird Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
32375 - libarchive:libarchive_fuzzer: Heap-use-after-free in copy_string - oss-fuzzIssue Tracking;Third Party Advisory
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http://seclists.org/fulldisclosure/2022/Mar/27
Full Disclosure: APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Mar/29
Full Disclosure: APPLE-SA-2022-03-14-4 macOS Monterey 12.3Mailing List;Third Party Advisory
-
https://support.apple.com/kb/HT213182
About the security content of iOS 15.4 and iPadOS 15.4 - Apple SupportThird Party Advisory
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https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml
oss-fuzz-vulns/OSV-2021-557.yaml at main · google/oss-fuzz-vulns · GitHubThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/
[SECURITY] Fedora 35 Update: libarchive-3.5.3-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202208-26
libarchive: Multiple Vulnerabilities (GLSA 202208-26) — Gentoo securityThird Party Advisory
-
http://seclists.org/fulldisclosure/2022/Mar/28
Full Disclosure: APPLE-SA-2022-03-14-2 watchOS 8.5Mailing List;Third Party Advisory
Products affected by CVE-2021-36976
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
- cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*