CVE-2013-4206

CVSS V2 Medium 6.8 CVSS V3 None
Description
Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.
Overview
  • CVE ID
  • CVE-2013-4206
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2013-08-19T23:55:08
  • Last Modified Date
  • 2021-08-06T16:58:10
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:putty:putty:0.45:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.50:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.51:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.52:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.54:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.55:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.56:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.57:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.58:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:putty:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:* 1 OR
cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:* 1 OR 0.62
cpe:2.3:a:simon_tatham:putty:0.53:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
References
Reference URL Reference Tags
http://www.debian.org/security/2013/dsa-2736
http://www.openwall.com/lists/oss-security/2013/08/06/11
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html Vendor Advisory
http://secunia.com/advisories/54379 Vendor Advisory
http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977 Patch
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
http://secunia.com/advisories/54533
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2013-4206
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4206
History
Created Old Value New Value Data Type Notes
2022-05-10 06:58:08 Added to TrackCVE
2022-12-01 19:23:31 2013-08-19T23:55Z 2013-08-19T23:55:08 CVE Published Date updated
2022-12-01 19:23:31 2021-08-06T16:58:10 CVE Modified Date updated
2022-12-01 19:23:31 Analyzed Vulnerability Status updated