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Use of a Broken or Risky Cryptographic Algorithm Affecting openssl1.0 package, versions <1.0.2t-1~deb9u1

0.0
low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 1.51% (87th percentile)
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NVD
3.7 low
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SUSE
5.3 medium
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Red Hat
3.7 low

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  • Snyk ID SNYK-DEBIAN9-OPENSSL10-466475
  • published 11 Sep 2019
  • disclosed 10 Sep 2019
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Introduced: 10 Sep 2019

CVE-2019-1563 Open this link in a new tab
CWE-327 Open this link in a new tab
CWE-203 Open this link in a new tab

How to fix?

Upgrade Debian:9 openssl1.0 to version 1.0.2t-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl1.0 package and not the openssl1.0 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).

References