Vulnerability Details CVE-2021-23177
An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.8%
CVSS Severity
CVSS v3 Score 7.8
References
- https://access.redhat.com/security/cve/CVE-2021-23177
- https://bugzilla.redhat.com/show_bug.cgi?id=2024245
- https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad
- https://github.com/libarchive/libarchive/issues/1565
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
- https://access.redhat.com/security/cve/CVE-2021-23177
- https://bugzilla.redhat.com/show_bug.cgi?id=2024245
- https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad
- https://github.com/libarchive/libarchive/issues/1565
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
Products affected by CVE-2021-23177
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cpe:2.3:a:libarchive:libarchive:-
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cpe:2.3:a:libarchive:libarchive:2.6.0
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cpe:2.3:a:libarchive:libarchive:2.6.1
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cpe:2.3:a:libarchive:libarchive:2.6.2
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cpe:2.3:a:libarchive:libarchive:2.7.0
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cpe:2.3:a:libarchive:libarchive:2.7.1
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cpe:2.3:a:libarchive:libarchive:2.8.0
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cpe:2.3:a:libarchive:libarchive:2.8.1
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cpe:2.3:a:libarchive:libarchive:2.8.2
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cpe:2.3:a:libarchive:libarchive:2.8.3
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cpe:2.3:a:libarchive:libarchive:2.8.4
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cpe:2.3:a:libarchive:libarchive:2.8.5
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cpe:2.3:a:libarchive:libarchive:3.0.0a
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cpe:2.3:a:libarchive:libarchive:3.0.1b
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cpe:2.3:a:libarchive:libarchive:3.0.2
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cpe:2.3:a:libarchive:libarchive:3.0.3
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cpe:2.3:a:libarchive:libarchive:3.0.4
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cpe:2.3:a:libarchive:libarchive:3.1.0
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cpe:2.3:a:libarchive:libarchive:3.1.1
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cpe:2.3:a:libarchive:libarchive:3.1.2
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cpe:2.3:a:libarchive:libarchive:3.1.900a
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cpe:2.3:a:libarchive:libarchive:3.1.901a
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cpe:2.3:a:libarchive:libarchive:3.2.0
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cpe:2.3:a:libarchive:libarchive:3.2.1
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cpe:2.3:a:libarchive:libarchive:3.2.2
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cpe:2.3:a:libarchive:libarchive:3.3.0
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cpe:2.3:a:libarchive:libarchive:3.3.1
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cpe:2.3:a:libarchive:libarchive:3.3.2
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cpe:2.3:a:libarchive:libarchive:3.3.3
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cpe:2.3:a:libarchive:libarchive:3.4.0
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cpe:2.3:a:libarchive:libarchive:3.4.1
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cpe:2.3:a:libarchive:libarchive:3.4.2
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cpe:2.3:a:libarchive:libarchive:3.4.3
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cpe:2.3:a:libarchive:libarchive:3.5.0
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cpe:2.3:a:libarchive:libarchive:3.5.1
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cpe:2.3:a:redhat:codeready_linux_builder:-
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:fedoraproject:fedora:35
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux_eus:8.6
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cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0
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cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6
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cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0
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cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6
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cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6
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Redhat » Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions » Version: 8.6cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6
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cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6