SB2019111007 - OpenSUSE Linux update for python-ecdsa

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Main Vulnerability Database SB2019111007

SB2019111007 - OpenSUSE Linux update for python-ecdsa

Published: November 10, 2019

Security Bulletin ID SB2019111007
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2019-14853)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when decoding digital signatures. A remote attacker can send specially crafted data to the application that uses Pure-Python ECDSA module and perform a denial of service attack.


2) Input validation error (CVE-ID: CVE-2019-14859)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to signature malleability while processing DER-encoded data. A remote attacker can bypass certain security restrictions.


Remediation

Install update from vendor's website.

References