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Mend.io Vulnerability Database

CVE-2016-2167

Date: May 5, 2016

The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.

Language: C

Severity Score

6.8

Related Resources (17)

Url: http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.417496

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-2167

Url: http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html

Url: http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html

Url: http://subversion.apache.org/security/CVE-2016-2167-advisory.txt

Url: https://www.oracle.com/security-alerts/cpuoct2020.html

Url: http://www.debian.org/security/2016/dsa-3561

Url: http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html

Url: https://security-tracker.debian.org/tracker/CVE-2016-2167

Url: http://www.securitytracker.com/id/1035706

Url: https://access.redhat.com/security/cve/CVE-2016-2167

Url: http://www.securityfocus.com/bid/89417

Url: https://security.gentoo.org/glsa/201610-05

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2167

Url: http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E

Url: https://www.mend.io/vulnerability-database/CVE-2016-2167

Severity Score

6.8

Weakness Type (CWE)

Improper Access Control

CWE-284

CVSS v3.1

Base Score:	6.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	4.9
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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CVE-2016-2167

Date: May 5, 2016

Language: C

Severity Score

Related Resources (17)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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