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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-08-23 16:00Z13 YR AGO
- Last updated
- 2024-09-16 18:04Z2 YR AGO
- Reserved
- 2011-11-29
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- cee82d9277792c7bf10ff07e0feaa9d434e77b27b6ea1627ee92d71465c8584b
05 Affected products
06 References
- seclists.org[oss-security] 20111212 Re: CVE request: putty does not wipe keyboard-interactive replies from memory after authenticationhttp://seclists.org/oss-sec/2011/q4/500
- seclists.org[oss-security] 20111212 CVE request: putty does not wipe keyboard-interactive replies from memory after authenticationhttp://seclists.org/oss-sec/2011/q4/499
- www.chiark.greenend.org.ukhttp://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html
07 Fixed in
Debian 12
- putty Fixed in 0.62-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- putty Fixed in 0.62-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- putty Fixed in 0.62-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.