Home/CVE/Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier a
CVE

CVE-2001-0500

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier a

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.

HIGH · CVSS 10 EPSS 0.90188
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

3
microsoft index serverall versions
microsoft indexing serviceall versions
microsoft internet information server<= 6.0
⚠

Public Exploits & PoCs

6
remoteMicrosoft IIS 5.0 - IDQ Path Overflow (MS01-033) (Metasploit)verified
remoteMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (2)verified
dosMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (PoC)verified
remoteMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (3)verified
remoteMicrosoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (4)verified
pocwww.cert.org · CA-2001-13.htmlwww.cert.org
◈

Detection Rules (IDS/IPS)

2
snort-communitySERVER-IIS ISAPI .ida attemptweb-application-attack
snort-communitySERVER-IIS ISAPI .idq attemptweb-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

10
HIGH · 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:C/I:C/A:C
Published to NVD21 Jul 2001 · 04:00 AM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.ciac.org/ciac/bulletins/l-098.shtml
http://www.iss.net/security_center/static/6705.php
http://www.securityfocus.com/archive/1/191873
http://www.securityfocus.com/bid/2880
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-033
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A197
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