CVE-2011-1923
The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a…
Does this matter?
Lower severity and a low EPSS score (1.31%). Track it; it rarely justifies an emergency change on its own.
Description
The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.
- CVSS 2.0
- 4.0 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:N
- EPSS
- 1.31% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- polarssl/polarssl
- Source
- secalert@redhat.com
References
- http://polarssl.org/trac/wiki/SecurityAdvisory201101Vendor Advisory
- http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
- http://www.nessus.org/plugins/index.php?view=single&id=53360
- http://www.securityfocus.com/bid/46670
- http://polarssl.org/trac/wiki/SecurityAdvisory201101Vendor Advisory
- http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
- http://www.nessus.org/plugins/index.php?view=single&id=53360
- http://www.securityfocus.com/bid/46670
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.