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Out-of-bounds Read Affecting apr package, versions <1.5.2-3ubuntu0.1~esm1

Severity

 Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.08% (35th percentile)

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  • Snyk ID SNYK-UBUNTU1604-APR-1570701
  • published 27 Aug 2021
  • disclosed 23 Aug 2021
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Introduced: 23 Aug 2021

CVE-2021-35940 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 apr to version 1.5.2-3ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apr package and not the apr package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fix for this issue was not carried forward to the APR 1.7.x branch, and hence version 1.7.0 regressed compared to 1.6.3 and is vulnerable to the same issue.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.1 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

7.1 high