by Kastro
Paper/Archive/CVE-2020-14315

CVE-2020-14315

redhat — A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3.

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 85.4.854 × 2017.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
bsdiffbsdiff 4.3–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refopenwall.com/lists/oss-security/2020/07/09/2refx41-dsec.de/lab/advisories/x41-2020-006-bspatchrefbugzilla.redhat.com/show_bug.cgi?id=1856747