Vulnerability Details : CVE-2017-15135
It was found that 389-ds-base since 1.3.6.1 up to and including 1.4.0.3 did not always handle internal hash comparison operations correctly during the authentication process. A remote, unauthenticated attacker could potentially use this flaw to bypass the authentication process under very rare and specific circumstances.
Vulnerability category: BypassGain privilege
Products affected by CVE-2017-15135
- Fedoraproject » 389 Directory ServerVersions from including (>=) 1.3.6.1 and up to, including, (<=) 1.4.0.3cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-15135
2.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-15135
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2017-15135
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2017-15135
-
https://bugzilla.redhat.com/show_bug.cgi?id=1525628
1525628 – (CVE-2017-15135) CVE-2017-15135 389-ds-base: Authentication bypass due to lack of size check in slapi_ct_memcmp function in ch_malloc.cIssue Tracking;Patch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:0515
RHSA-2018:0515 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2018:0414
RHSA-2018:0414 - Security Advisory - Red Hat Customer Portal
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http://www.securityfocus.com/bid/102811
Red Hat '389-ds-base' CVE-2017-15135 Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
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http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00033.html
[security-announce] openSUSE-SU-2019:1397-1: important: Security update
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