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TI-2005-02507 Aliases CVE-2005-2643GHSA-jxhg-8chc-rj8x

Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not…

Priority LOW 25Published · 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
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.

Why it matters now

EPSS 0.01247 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 27

CPEVersionsRoleVendor
cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:*0.0.9VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.1:*:*:*:*:*:*:*0.0.9.1VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.2:*:*:*:*:*:*:*0.0.9.2VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.3:*:*:*:*:*:*:*0.0.9.3VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.4:*:*:*:*:*:*:*0.0.9.4VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.5:*:*:*:*:*:*:*0.0.9.5VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.6:*:*:*:*:*:*:*0.0.9.6VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.7:*:*:*:*:*:*:*0.0.9.7VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.8:*:*:*:*:*:*:*0.0.9.8VulnerableTor
cpe:2.3:a:tor:tor:0.0.9.9:*:*:*:*:*:*:*0.0.9.9VulnerableTor
  • cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:* Versions 0.0.9 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.1:*:*:*:*:*:*:* Versions 0.0.9.1 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.2:*:*:*:*:*:*:* Versions 0.0.9.2 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.3:*:*:*:*:*:*:* Versions 0.0.9.3 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.4:*:*:*:*:*:*:* Versions 0.0.9.4 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.5:*:*:*:*:*:*:* Versions 0.0.9.5 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.6:*:*:*:*:*:*:* Versions 0.0.9.6 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.7:*:*:*:*:*:*:* Versions 0.0.9.7 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.8:*:*:*:*:*:*:* Versions 0.0.9.8 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.0.9.9:*:*:*:*:*:*:* Versions 0.0.9.9 Vulnerable ·Tor
Show 17 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:tor:tor:0.1.0.1:*:*:*:*:*:*:*0.1.0.1VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.2:*:*:*:*:*:*:*0.1.0.2VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.3:*:*:*:*:*:*:*0.1.0.3VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.4:*:*:*:*:*:*:*0.1.0.4VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.5:*:*:*:*:*:*:*0.1.0.5VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.6:*:*:*:*:*:*:*0.1.0.6VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.7:*:*:*:*:*:*:*0.1.0.7VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.8:*:*:*:*:*:*:*0.1.0.8VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.9:*:*:*:*:*:*:*0.1.0.9VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:*0.1.0.10VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:*0.1.0.11VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:*0.1.0.12VulnerableTor
cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:*0.1.0.13VulnerableTor
cpe:2.3:a:tor:tor:0.1.1.1_alpha:*:*:*:*:*:*:*0.1.1.1_alphaVulnerableTor
cpe:2.3:a:tor:tor:0.1.1.2_alpha:*:*:*:*:*:*:*0.1.1.2_alphaVulnerableTor
cpe:2.3:a:tor:tor:0.1.1.3_alpha:*:*:*:*:*:*:*0.1.1.3_alphaVulnerableTor
cpe:2.3:a:tor:tor:0.1.1.4_alpha:*:*:*:*:*:*:*0.1.1.4_alphaVulnerableTor
  • cpe:2.3:a:tor:tor:0.1.0.1:*:*:*:*:*:*:* Versions 0.1.0.1 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.2:*:*:*:*:*:*:* Versions 0.1.0.2 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.3:*:*:*:*:*:*:* Versions 0.1.0.3 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.4:*:*:*:*:*:*:* Versions 0.1.0.4 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.5:*:*:*:*:*:*:* Versions 0.1.0.5 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.6:*:*:*:*:*:*:* Versions 0.1.0.6 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.7:*:*:*:*:*:*:* Versions 0.1.0.7 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.8:*:*:*:*:*:*:* Versions 0.1.0.8 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.9:*:*:*:*:*:*:* Versions 0.1.0.9 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:* Versions 0.1.0.10 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:* Versions 0.1.0.11 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:* Versions 0.1.0.12 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:* Versions 0.1.0.13 Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.1.1_alpha:*:*:*:*:*:*:* Versions 0.1.1.1_alpha Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.1.2_alpha:*:*:*:*:*:*:* Versions 0.1.1.2_alpha Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.1.3_alpha:*:*:*:*:*:*:* Versions 0.1.1.3_alpha Vulnerable ·Tor
  • cpe:2.3:a:tor:tor:0.1.1.4_alpha:*:*:*:*:*:*:* Versions 0.1.1.4_alpha Vulnerable ·Tor

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2643
  2. 2026-10-03 Alias added: GHSA-jxhg-8chc-rj8x

References

Advisory 1

Other 1

  • TI-2010-01618 Heap-based buffer overflow in Tor before 0.2.1.28 and 0.2.2.x before 0.2.2.20-alpha… CVSS 2.0HIGH 10.0
  • TI-2009-00394 Unspecified vulnerability in Tor before 0.2.0.33 has unspecified impact and remote attack… CVSS 2.0HIGH 10.0
  • TI-2009-00893 Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact… CVSS 2.0HIGH 10.0
  • TI-2008-05138 Tor before 0.2.0.32 does not properly process the ClientDNSRejectInternalAddresses… CVSS 2.0HIGH 9.3
  • TI-2011-02436 Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to… CVSS 2.0HIGH 7.6
  • TI-2006-03307 Integer overflow in Tor before 0.1.1.20 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 7.5
See all 56 →

Sources

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