Vulnerability Monitor

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CVE-2012-5573

The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.

Published

2013-01-01T12:35:14.617

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application torproject tor ≤ 0.2.3.24 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.2 Yes
Application torproject tor 0.0.3 Yes
Application torproject tor 0.0.4 Yes
Application torproject tor 0.0.5 Yes
Application torproject tor 0.0.6 Yes
Application torproject tor 0.0.6.1 Yes
Application torproject tor 0.0.6.2 Yes
Application torproject tor 0.0.7 Yes
Application torproject tor 0.0.7.1 Yes
Application torproject tor 0.0.7.2 Yes
Application torproject tor 0.0.7.3 Yes
Application torproject tor 0.0.8.1 Yes
Application torproject tor 0.0.9.1 Yes
Application torproject tor 0.0.9.2 Yes
Application torproject tor 0.0.9.3 Yes
Application torproject tor 0.0.9.4 Yes
Application torproject tor 0.0.9.5 Yes
Application torproject tor 0.0.9.6 Yes
Application torproject tor 0.0.9.7 Yes
Application torproject tor 0.0.9.8 Yes
Application torproject tor 0.0.9.9 Yes
Application torproject tor 0.0.9.10 Yes
Application torproject tor 0.1.0.10 Yes
Application torproject tor 0.1.0.11 Yes
Application torproject tor 0.1.0.12 Yes
Application torproject tor 0.1.0.13 Yes
Application torproject tor 0.1.0.14 Yes
Application torproject tor 0.1.0.15 Yes
Application torproject tor 0.1.0.16 Yes
Application torproject tor 0.1.0.17 Yes
Application torproject tor 0.1.1.20 Yes
Application torproject tor 0.1.1.21 Yes
Application torproject tor 0.1.1.22 Yes
Application torproject tor 0.1.1.23 Yes
Application torproject tor 0.1.1.24 Yes
Application torproject tor 0.1.1.25 Yes
Application torproject tor 0.1.1.26 Yes
Application torproject tor 0.1.2.13 Yes
Application torproject tor 0.1.2.14 Yes
Application torproject tor 0.1.2.15 Yes
Application torproject tor 0.1.2.16 Yes
Application torproject tor 0.1.2.17 Yes
Application torproject tor 0.1.2.18 Yes
Application torproject tor 0.1.2.19 Yes
Application torproject tor 0.2.0.30 Yes
Application torproject tor 0.2.0.31 Yes
Application torproject tor 0.2.0.32 Yes
Application torproject tor 0.2.0.33 Yes
Application torproject tor 0.2.0.34 Yes
Application torproject tor 0.2.0.35 Yes
Application torproject tor 0.2.2.18 Yes
Application torproject tor 0.2.2.19 Yes
Application torproject tor 0.2.2.20 Yes
Application torproject tor 0.2.2.21 Yes
Application torproject tor 0.2.2.22 Yes
Application torproject tor 0.2.2.23 Yes
Application torproject tor 0.2.2.24 Yes
Application torproject tor 0.2.2.25 Yes
Application torproject tor 0.2.2.26 Yes
Application torproject tor 0.2.2.27 Yes
Application torproject tor 0.2.2.28 Yes
Application torproject tor 0.2.2.29 Yes
Application torproject tor 0.2.2.30 Yes
Application torproject tor 0.2.2.31 Yes
Application torproject tor 0.2.2.32 Yes
Application torproject tor 0.2.2.33 Yes
Application torproject tor 0.2.2.34 Yes
Application torproject tor 0.2.2.35 Yes
Application torproject tor 0.2.2.36 Yes
Application torproject tor 0.2.2.37 Yes
Application torproject tor 0.2.2.38 Yes
Application torproject tor 0.2.3 Yes
Application torproject tor 0.2.3.13 Yes
Application torproject tor 0.2.3.14 Yes
Application torproject tor 0.2.3.15 Yes
Application torproject tor 0.2.3.16 Yes
Application torproject tor 0.2.3.17 Yes
Application torproject tor 0.2.3.18 Yes
Application torproject tor 0.2.3.19 Yes
Application torproject tor 0.2.3.20 Yes
Application torproject tor 0.2.3.21 Yes
Application torproject tor 0.2.3.22 Yes
Application torproject tor 0.2.3.23 Yes
References