Vulnerability Details : CVE-2011-4607
PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.
Vulnerability category: Overflow
Products affected by CVE-2011-4607
- cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:*
- cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*
- cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4607
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4607
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2011-4607
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4607
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http://seclists.org/oss-sec/2011/q4/500
oss-sec: Re: CVE request: putty does not wipe keyboard-interactive replies from memory after authentication
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http://seclists.org/oss-sec/2011/q4/499
oss-sec: CVE request: putty does not wipe keyboard-interactive replies from memory after authentication
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http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html
PuTTY vulnerability password-not-wipedVendor Advisory
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