CVE-2020-14315 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Daemonology	Bsdiff	4.3

Related Weaknesses (CWE)

CWE-787

References

https://bugzilla.redhat.com/show_bug.cgi?id=1856747Issue TrackingThird Party Advisory
https://www.openwall.com/lists/oss-security/2020/07/09/2Mailing ListThird Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ExploitThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1856747Issue TrackingThird Party Advisory
https://www.openwall.com/lists/oss-security/2020/07/09/2Mailing ListThird Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ExploitThird Party Advisory

FAQ

What is CVE-2020-14315?

CVE-2020-14315 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 sani...

How severe is CVE-2020-14315?

CVE-2020-14315 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-14315?

Check the references section above for vendor advisories and patch information. Affected products include: Daemonology Bsdiff.