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Vulnerability Details : CVE-2019-13628

wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about the nonces used and potentially mount a lattice attack to recover the private key used. The issue occurs because ecc.c scalar multiplication might leak the bit length.
Publish Date : 2019-10-03 Last Update Date : 2019-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
1.2
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 203

- Products Affected By CVE-2019-13628

# Product Type Vendor Product Version Update Edition Language
1 Application Wolfssl Wolfssl 4.0.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Wolfssl Wolfssl 1

- References For CVE-2019-13628

https://eprint.iacr.org/2011/232.pdf
https://minerva.crocs.fi.muni.cz/
https://tches.iacr.org/index.php/TCHES/article/view/7337
http://www.openwall.com/lists/oss-security/2019/10/02/2
MLIST [oss-security] 20191002 Minerva: ECDSA key recovery from bit-length leakage

- Metasploit Modules Related To CVE-2019-13628

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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