Buffer overflow in Mit Kerberos 5
CVE-2008-0948
Buffer overflow in the RPC library (lib/rpc/rpc_dtablesize.c) used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.2.2, and probably other versions before 1.3, when running on systems whose unistd.h does not define the FD_SETSIZE macro, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering a large number of open file descriptors.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.073 (94.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.073 · newest: 0.073 · change: 0.000
Affected products
- Mit Kerberos 5 — versions 1.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- securityreason.com/securityalert/3752 (third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9209 (signature, vdb-entry)
- www.us-cert.gov/cas/techalerts/TA08-079B.html (US Government Resource, third-party-advisory)
- www.vupen.com/english/advisories/2008/1744 (vdb-entry)
- www.securityfocus.com/archive/1/489784/100/0/threaded (mailing-list)
- www.securityfocus.com/bid/28302 (vdb-entry)
- support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
- marc.info/ (vendor-advisory)
- secunia.com/advisories/29663 (third-party-advisory)
- www.vmware.com/security/advisories/VMSA-2008-0009.html
Frequently asked questions
- What is CVE-2008-0948?
- CVE-2008-0948 is a vulnerability in Mit Kerberos 5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2008-03-19.
- Is CVE-2008-0948 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.