Vulnerability Details CVE-2020-14315
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1856747
- https://www.openwall.com/lists/oss-security/2020/07/09/2
- https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/
- https://bugzilla.redhat.com/show_bug.cgi?id=1856747
- https://www.openwall.com/lists/oss-security/2020/07/09/2
- https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/
Products affected by CVE-2020-14315
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cpe:2.3:a:daemonology:bsdiff:4.3