CVE-2020-21674

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Summary

CVECVE-2020-21674
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-10-15 15:15:00 UTC
Updated2020-10-26 15:53:00 UTC
DescriptionHeap-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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Libarchive Libarchive 3.4.1 All All All
Application Libarchive Libarchive 3.4.1 All All All

References

ReferenceSourceLinkTags
Heap-buffer-overflow in archive_string_append_from_wcs() (archive_string.c) · Issue #1298 · libarchive/libarchive · GitHub MISC github.com Third Party Advisory
Fix a possible heap-buffer-overflow in archive_string_append_from_wcs() · libarchive/libarchive@4f085ee · GitHub MISC github.com Patch, Third Party Advisory
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