CVE-2011-0285
What it is
The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 20.8% chance of exploitation in the next 30 days (EPSS). Higher than most.
- 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: 20.8% in the next 30 days (EPSS).
- Severity: 10.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 20.8% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Mit Kerberos 5 1.7
- Mit Kerberos 5 1.7.1
- Mit Kerberos 5 1.8
- Mit Kerberos 5 1.8.1
- Mit Kerberos 5 1.8.2
- Mit Kerberos 5 1.8.3
- Mit Kerberos 5 1.9
Attack profile CVSS 2.0 · 10.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
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-2011-0285.md and follow it. Check whether this project is affected by CVE-2011-0285. 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://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=6899
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058181.html
- http://osvdb.org/71789
- http://secunia.com/advisories/44125
- http://secunia.com/advisories/44181
- http://secunia.com/advisories/44196
- http://securityreason.com/securityalert/8200
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:077
- http://www.redhat.com/support/errata/RHSA-2011-0447.html
- http://www.securityfocus.com/archive/1/517484/100/0/threaded
- http://www.securityfocus.com/bid/47310
- http://www.securitytracker.com/id?1025320
- http://www.vupen.com/english/advisories/2011/0936
- http://www.vupen.com/english/advisories/2011/0986
- http://www.vupen.com/english/advisories/2011/0997
- https://hermes.opensuse.org/messages/8086843
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=6899
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058181.html
- http://osvdb.org/71789
- http://secunia.com/advisories/44125
- http://secunia.com/advisories/44181
- http://secunia.com/advisories/44196