CVE-2016-2167
Apache Subversion Cyrus SASL Authentication Bypass
Description
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.
INFO
Published Date :
May 5, 2016, 6:59 p.m.
Last Modified :
Nov. 7, 2023, 2:31 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
1.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-2167.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-2167 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-2167 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E [No types assigned] Added Reference Red Hat, Inc. http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E [No types assigned] Removed Reference Red Hat, Inc. http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA@mail.gmail.com%3E Removed Reference Red Hat, Inc. http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ@mail.gmail.com%3E -
CVE Modified by [email protected]
Oct. 20, 2020
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2020.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201610-05 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 01, 2016
Action Type Old Value New Value Added Reference http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.417496 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html [No Types Assigned] Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/89417 [No Types Assigned] -
Modified Analysis by [email protected]
May. 06, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:subversion:1.8.15:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:M/Au:S/C:P/I:P/A:N) Added CVSS V3 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type http://subversion.apache.org/security/CVE-2016-2167-advisory.txt No Types Assigned http://subversion.apache.org/security/CVE-2016-2167-advisory.txt Advisory Added CWE CWE-284 -
Initial Analysis by [email protected]
May. 06, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-2167 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-2167
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.13 }} 0.00%
score
0.46722
percentile