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Out-of-bounds Write Affecting openssl package, versions <1:1.0.1e-51.el7_2.5

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    71.7% (99th percentile)

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  • Snyk ID SNYK-RHEL7-OPENSSL-4620927
  • published 26 Jul 2021
  • disclosed 3 Mar 2016
Report a new vulnerability Found a mistake?

Introduced: 3 Mar 2016

CVE-2016-2842 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-51.el7_2.5 or higher.
This issue was patched in RHSA-2016:0722.

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.

The doapr_outch function in crypto/bio/b_print.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not verify that a certain memory allocation succeeds, which allows remote attackers to cause a denial of service (out-of-bounds write or memory consumption) or possibly have unspecified other impact via a long string, as demonstrated by a large amount of ASN.1 data, a different vulnerability than CVE-2016-0799.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

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