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CVE-2013-4208
The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain…
Low2.1EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (6)
- [oss-security] 20130806 CVE request: three additional flaws fixed in putty 0.63 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 54533 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2736 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- openSUSE-SU-2013:1347 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 54379 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2013-4208)Record last updated .