CVE-2015-8629
What it is
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure.
- Exploit odds
- 3.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.7% in the next 30 days (EPSS).
- Severity: 5.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.7% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Mit Kerberos 5 < 1.13.4
- Mit Kerberos 5 < 1.14.1
- Oracle Linux 6
- Oracle Linux 7
- Oracle Solaris 10
- Oracle Solaris 11.3
- Debian Linux 7.0
- Debian Linux 8.0
Attack profile CVSS 3.1 · 5.3
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-8629.md and follow it. Check whether this project is affected by CVE-2015-8629. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341
- https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341
- https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html
- http://rhn.redhat.com/errata/RHSA-2016-0493.html
- http://rhn.redhat.com/errata/RHSA-2016-0532.html
- http://www.debian.org/security/2016/dsa-3466
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/82801
- http://www.securitytracker.com/id/1034914
- https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8341
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html
- http://rhn.redhat.com/errata/RHSA-2016-0493.html
- http://rhn.redhat.com/errata/RHSA-2016-0532.html
- http://www.debian.org/security/2016/dsa-3466
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/82801
- http://www.securitytracker.com/id/1034914
- https://github.com/krb5/krb5/commit/df17a1224a3406f57477bcd372c61e04c0e5a5bb