// For flags

CVE-2012-4561

 

Severity Score

5.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors.

Las funciones (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign y (5) ssh_sign_session_id en keys.c en libssh en versiones anteriores a la 0.5.3 liberan "un puntero no válido en una ruta errónea", lo que podría permitir a atacantes remotos provocar una denegación de servicio (caída) a través de vectores no especificados.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2012-08-21 CVE Reserved
  • 2012-11-27 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Libssh
Search vendor "Libssh"
Libssh
Search vendor "Libssh" for product "Libssh"
<= 0.5.2
Search vendor "Libssh" for product "Libssh" and version " <= 0.5.2"
-
Affected
Libssh
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Libssh
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0.4.7
Search vendor "Libssh" for product "Libssh" and version "0.4.7"
-
Affected
Libssh
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Libssh
Search vendor "Libssh" for product "Libssh"
0.4.8
Search vendor "Libssh" for product "Libssh" and version "0.4.8"
-
Affected
Libssh
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Libssh
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0.5.0
Search vendor "Libssh" for product "Libssh" and version "0.5.0"
-
Affected
Libssh
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Libssh
Search vendor "Libssh" for product "Libssh"
0.5.0
Search vendor "Libssh" for product "Libssh" and version "0.5.0"
rc1
Affected
Libssh
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Libssh
Search vendor "Libssh" for product "Libssh"
0.5.1
Search vendor "Libssh" for product "Libssh" and version "0.5.1"
-
Affected