What is the severity of CVE-2015-2694?

CVE-2015-2694 is considered a high severity vulnerability due to its potential to allow remote attackers to bypass preauthentication requirements.

How do I fix CVE-2015-2694?

To fix CVE-2015-2694, upgrade to MIT Kerberos 5 version 1.13.2 or later.

Which versions of MIT Kerberos 5 are affected by CVE-2015-2694?

CVE-2015-2694 affects MIT Kerberos 5 versions 1.12.x and 1.13.x prior to 1.13.2.

What type of attack does CVE-2015-2694 enable?

CVE-2015-2694 enables remote attackers to bypass the intended preauthentication requirements.

Are all MIT Kerberos 5 installations vulnerable to CVE-2015-2694?

Not all installations are vulnerable; only those running affected versions 1.12.x and 1.13.x before 1.13.2 are at risk.

Vulnerability/
CVE-2015-2694

medium

5.8

CWE

264

25/5/2015

6/8/2024

CVE-2015-2694

First published: Mon May 25 2015(Updated: )

The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Kerberos	=1.12
Kerberos	=1.12.1
Kerberos	=1.12.2
Kerberos	=1.12.3
Kerberos	=1.13
Kerberos	=1.13.1

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Frequently Asked Questions

What is the severity of CVE-2015-2694?
CVE-2015-2694 is considered a high severity vulnerability due to its potential to allow remote attackers to bypass preauthentication requirements.
How do I fix CVE-2015-2694?
To fix CVE-2015-2694, upgrade to MIT Kerberos 5 version 1.13.2 or later.
Which versions of MIT Kerberos 5 are affected by CVE-2015-2694?
CVE-2015-2694 affects MIT Kerberos 5 versions 1.12.x and 1.13.x prior to 1.13.2.
What type of attack does CVE-2015-2694 enable?
CVE-2015-2694 enables remote attackers to bypass the intended preauthentication requirements.
Are all MIT Kerberos 5 installations vulnerable to CVE-2015-2694?
Not all installations are vulnerable; only those running affected versions 1.12.x and 1.13.x before 1.13.2 are at risk.

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collector/mitre-cve
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agent/first-publish-date
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agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/mit
canonical/kerberos
version/kerberos/1.12
version/kerberos/1.12.1
version/kerberos/1.12.2
version/kerberos/1.12.3
version/kerberos/1.13
version/kerberos/1.13.1

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