Home/CVE/Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to
CVE

CVE-2002-1232

Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to

Memory leak in ypdb_open in yp_db.c for ypserv before 2.5 in the NIS package 3.9 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of requests for a map that does not exist.

MEDIUM · CVSS 5 EPSS 0.04451
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
▤

Affected Products & Versions

3
debian linuxall versions
hp secure osall versions
redhat linuxall versions
◈

Detection Rules (IDS/IPS)

6
et-openGPL RPC portmap ypserv request UDPrpc-portmap-decode
et-openGPL RPC portmap ypserv request TCPrpc-portmap-decode
snort-communityPROTOCOL-RPC portmap ypserv request UDPrpc-portmap-decode
snort-communityPROTOCOL-RPC portmap ypserv request TCPrpc-portmap-decode
snort-communityPROTOCOL-RPC ypserv maplist request UDPrpc-portmap-decode
snort-communityPROTOCOL-RPC ypserv maplist request TCPrpc-portmap-decode
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

8
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.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD04 Nov 2002 · 05:00 AM
⚑

Vendor Advisories

3
rhsaRHSA-2003:229Moderate
rhsaRHSA-2002:224Important
rhsaRHSA-2002:223Important
🔗

References & Sources

11
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-2002-054.0.txt
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000539
http://marc.info/?l=bugtraq&m=103582692228894&w=2
http://online.securityfocus.com/advisories/4605
http://www.debian.org/security/2002/dsa-180PatchVendor Advisory
http://www.iss.net/security_center/static/10423.phpVendor Advisory
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