CVE-2020-21674
Vulnerability Scoring
Attack Complexity Details
- Attack Complexity: Low Impact
- Attack Vector: NETWORK
- Privileges Required: None
- Scope: UNCHANGED
- User Interaction: REQUIRED
CIA Impact Definition
- Confidentiality:
- Integrity:
- Availability: HIGH IMPACT
CVE-2020-21674 Vulnerability Summary
Heap-based buffer overflow in archive_string_append_from_wcs() (archive_string.c) in libarchive-3.4.1dev allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.
Access Complexity Graph for CVE-2020-21674
Impact Analysis for CVE-2020-21674
CVE-2020-21674: Detailed Information and External References
EPSS
0.00129
EPSS %
0.48798
References
0.00129
- https://github.com/libarchive/libarchive/commit/4f085eea879e2be745f4d9bf57e8513ae48157f4
- https://github.com/libarchive/libarchive/issues/1298
CWE
CWE-787
Vulnerable Configurations
-
cpe:2.3:a:libarchive:libarchive:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:libarchive:libarchive:3.4.1:*:*:*:*:*:*:*
CVSS3 Source
nvd@nist.gov
CVSS3 Type
Primary
CVSS3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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