CVEvulnerability
CVE-2020-14315
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-09-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
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 configurations
• daemonology bsdiff 4.3
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1856747 Issue Tracking, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/09/2 Mailing List, Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1856747 Issue Tracking, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/09/2 Mailing List, Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ Exploit, Third Party Advisory