CVE-2020-14315
CRITICALbsdiff 4.3 - Out-of-bounds Write via Insufficient Input Validation
Title source: llmDescription
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
References (3)
Core 3
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2020/07/09/2
Exploit, Third Party Advisory x_refsource_misc
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1856747
Scores
CVSS v3
9.8
EPSS
0.0253
EPSS Percentile
83.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
daemonology/bsdiff
4.3
Published
Sep 16, 2020
Tracked Since
Feb 18, 2026