CVE-2013-4206
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.
Risk Information
Base Score
8.4
MODERATE
Vector
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
1.136
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| update putty 2010-06-01 to latest version | Windows |
| update putty 2010-06-01 (x64) to latest version | Windows |
| putty security update(DSA-3409-1) putty_0.62-9+deb7u3_i386.deb | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-337645 | PuTTY (0.81) |
| PATCH-337646 | PuTTY (x64) (0.81) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234