CVE-2016-2196 — CRITICAL (9.8)

Vulnerability Description

Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.

CVSS Score

9.8

CRITICAL

CVSS:3.0/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
Botan Project	Botan	1.11.0

Related Weaknesses (CWE)

CWE-119

References

http://botan.randombit.net/security.htmlVendor Advisory
http://marc.info/?l=botan-devel&m=145435148602911&w=2Vendor Advisory
http://botan.randombit.net/security.htmlVendor Advisory
http://marc.info/?l=botan-devel&m=145435148602911&w=2Vendor Advisory

FAQ

What is CVE-2016-2196?

CVE-2016-2196 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code vi...

How severe is CVE-2016-2196?

CVE-2016-2196 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-2016-2196?

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