Home/CVE/Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on
CVE

CVE-2002-0391

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on

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.

CRITICAL · CVSS 9.8 EPSS 0.08258
Schedule remediation
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

7
freebsd<= 4.6.1
openbsdall versions
sun solarisall versions
sun sunosall versions
microsoft windows 2000all versions
microsoft windows ntall versions
microsoft windows xpall versions
◈

Detection Rules (IDS/IPS)

2
snort-communityPROTOCOL-RPC CMSD UDP CMSD_CREATE array buffer overflow attemptattempted-admin
snort-communityPROTOCOL-RPC CMSD TCP CMSD_CREATE array buffer overflow attemptattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumWow6432Node Windows NT CurrentVersion Autorun Keys Modification
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2002 · 04:00 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

11
rhsaRHSA-2003:052Important
rhsaRHSA-2003:168Critical
rhsaRHSA-2003:212Critical
rhsaRHSA-2003:089Critical
rhsaRHSA-2003:091Critical
🔗

References & Sources

38
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-055.0.txtBroken Link
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-011.txt.ascBroken Link
ftp://patches.sgi.com/support/free/security/advisories/20020801-01-ABroken Link
ftp://patches.sgi.com/support/free/security/advisories/20020801-01-PBroken Link
http://archives.neohapsis.com/archives/aix/2002-q4/0002.htmlBroken Link
http://archives.neohapsis.com/archives/bugtraq/2002-07/0514.htmlBroken Link
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