CVE-2015-7826 — CRITICAL (9.8)

Q: How severe is CVE-2015-7826?

CVE-2015-7826 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2015-7826?

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

Vulnerability Description

botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by accepting *.example.com as a match for bar.foo.example.com.

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	<= 1.11.21

Related Weaknesses (CWE)

CWE-295

References

https://botan.randombit.net/security.html#id3Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1311620Issue TrackingThird Party AdvisoryVDB Entry
https://botan.randombit.net/security.html#id3Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1311620Issue TrackingThird Party AdvisoryVDB Entry

FAQ

What is CVE-2015-7826?

CVE-2015-7826 is a vulnerability with a CVSS score of 9.8 (CRITICAL). botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by acce...

How severe is CVE-2015-7826?

CVE-2015-7826 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-2015-7826?

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