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Information Exposure Affecting openssl package, versions *

Severity

 Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    3.14% (92nd percentile)

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  • Snyk ID SNYK-RHEL7-OPENSSL-1383314
  • published 26 Jul 2021
  • disclosed 10 Sep 2019
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Introduced: 10 Sep 2019

CVE-2019-1563 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

There is no fixed version for RHEL:7 openssl.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by RHEL. See How to fix? for RHEL:7 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

CVSS Scores

version 3.1
Expand this section

NVD

3.7 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None