Home/CVE/CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server
CVE

CVE-2001-0144

CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server

CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server or client via an integer overflow.

HIGH · CVSS 10 EPSS 0.53307
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
▤

Affected Products & Versions

2
openbsd opensshall versions
sshall versions
⚠

Public Exploits & PoCs

3
remoteSSH (x2) - Remote Command Executionverified
remoteSSH 1.2.x - CRC-32 Compensation Attack Detectorverified
pocwww.securityfocus.com · 2347www.securityfocus.com
◈

Detection Rules (IDS/IPS)

4
snort-communityINDICATOR-SHELLCODE ssh CRC32 overflow /bin/shshellcode-detect
snort-communityINDICATOR-SHELLCODE ssh CRC32 overflow fillershellcode-detect
snort-communityINDICATOR-SHELLCODE ssh CRC32 overflow NOOPshellcode-detect
snort-communityINDICATOR-SHELLCODE ssh CRC32 overflowshellcode-detect
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

2
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.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

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 NVD12 Mar 2001 · 05:00 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://marc.info/?l=bugtraq&m=98168366406903&w=2
http://razor.bindview.com/publish/advisories/adv_ssh1crc.htmlPatchVendor Advisory
http://www.cert.org/advisories/CA-2001-35.htmlUS Government Resource
http://www.osvdb.org/503
http://www.osvdb.org/795
https://exchange.xforce.ibmcloud.com/vulnerabilities/6083
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