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TI-2002-00619 Aliases CVE-2002-0640GHSA-q9hw-p2pq-q4p7

Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to…

Priority HIGH 65Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).

Why it matters now

EPSS 0.28161 98th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*1.2.3VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:*2.1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:*2.1.1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:*2.2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:*2.3VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:*2.5VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:*2.5.1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:*2.5.2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:*2.9VulnerableOpenBSD
  • cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·OpenBSD
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:*2.9.9VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:*2.9p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:*2.9p2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*3.0VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*3.0.1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*3.0.1p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*3.0.2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*3.0.2p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*3.0p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*3.1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*3.1p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*3.2VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*3.2.2p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*3.2.3p1VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*3.3VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*3.3p1VulnerableOpenBSD
  • cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:* Versions 2.9.9 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:* Versions 2.9p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:* Versions 2.9p2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:* Versions 3.0.1p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:* Versions 3.0.2p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:* Versions 3.0p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:* Versions 3.1p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:* Versions 3.2.2p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:* Versions 3.2.3p1 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:* Versions 3.3p1 Vulnerable ·OpenBSD

Remediation

Red Hat 2 advisories

  • RHSA-2002:131 Released 2002-07-12 · Red Hat rating Moderate
    openssh security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
  • RHSA-2002:127 Released 2002-06-27 · Red Hat rating Moderate
    : : : Updated OpenSSH packages fix various security issues
    • Red Hat Linux 7.0
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2002:131
Red Hat Linux 7.0Fixed RHSA-2002:127
Red Hat Linux 7.1Fixed RHSA-2002:127
Red Hat Linux 7.2Fixed RHSA-2002:127
Red Hat Linux 7.3Fixed RHSA-2002:127

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-0640
  2. 2026-10-03 Alias added: GHSA-q9hw-p2pq-q4p7

References

Advisory 10

Other 6

  • TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2023-10601 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during… CVSS 3.1MEDIUM 6.5
  • TI-2018-11033 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying… CVSS 3.1MEDIUM 5.9
  • TI-2016-08105 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4… CVSS 3.1HIGH 7.3
  • TI-2023-28040 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host… CVSS 3.1MEDIUM 6.5
See all 145 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences