PT-2017-7278 · Botan+1 · Botan+1

Andrej Nemec · Published 2017-04-10 · Updated 2018-09-10 · CVE-2015-7826

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions botan versions 1.11.x through 1.11.21

Description The issue improperly handles wildcard matching against hostnames. This might allow remote attackers to have an unspecified impact via a valid X.509 certificate, as demonstrated by accepting *.example.com as a match for bar.foo.example.com.

Recommendations For botan versions 1.11.x through 1.11.21, update to version 1.11.22 or later to resolve the issue.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

ALT-PU-2018-2298

CVE-2015-7826

Affected Products

Alt Linux

Botan

References · 9

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7826 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2015-7826 · Security Note
• https://errata.altlinux.org/ALT-PU-2018-2298 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7825 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6878 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7824 · Security Note
• https://botan.randombit.net/security.html#id3 · Vendor Advisory
• https://packages.altlinux.org/ru/vuln/CVE-2015-7826 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1311620 · Note