Vulnerability Details : CVE-2015-2695
lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted SPNEGO packet that is mishandled during a gss_inquire_context call.
Vulnerability category: Denial of service
Products affected by CVE-2015-2695
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp4:*:*:*:*:*:*
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2695
9.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2695
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-2695
-
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2695
-
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
[security-announce] openSUSE-SU-2015:1997-1: important: Security updateMailing List;Third Party Advisory
-
http://www.debian.org/security/2015/dsa-3395
Debian -- Security Information -- DSA-3395-1 krb5Third Party Advisory
-
http://www.securityfocus.com/bid/90687
MIT Kerberos 5 CVE-2015-2695 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1034084
MIT Kerberos Multiple Bugs Let Remote Users Cause the Target Service to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Oracle Solaris Bulletin - April 2016Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
[security-announce] SUSE-SU-2015:1897-1: important: Security update forMailing List;Third Party Advisory
-
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8244
#8244: SPNEGO and IAKERB context aliasing bugs [CVE-2015-2695][CVE-2015-2696]Vendor Advisory
-
https://github.com/krb5/krb5/commit/b51b33f2bc5d1497ddf5bd107f791c101695000d
Fix SPNEGO context aliasing bugs [CVE-2015-2695] · krb5/krb5@b51b33f · GitHubPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00007.html
[security-announce] SUSE-SU-2015:1898-1: important: Security update forMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/201611-14
MIT Kerberos 5: Multiple vulnerabilities (GLSA 201611-14) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
[security-announce] openSUSE-SU-2015:1928-1: important: Security updateMailing List;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-2810-1
USN-2810-1: Kerberos vulnerabilities | Ubuntu security noticesThird Party Advisory
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