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GLSA
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Joined: 12 May 2004
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PostPosted: Mon Jul 27, 2020 8:26 pm    Post subject: [ GLSA 202007-22 ] sysstat Reply with quote

Gentoo Linux Security Advisory

Title: sysstat: Arbitrary code execution (GLSA 202007-22)
Severity: normal
Exploitable: local
Date: 2020-07-27
Bug(s): #706206
ID: 202007-22

Synopsis

A use-after-free in sysstat was discovered which may allow
arbitrary code execution.


Background

sysstat is a package containing a number of performance monitoring
utilities for Linux, including sar, mpstat, iostat and sa tools.


Affected Packages

Package: app-admin/sysstat
Vulnerable: < 12.2.1
Unaffected: >= 12.2.1
Architectures: All supported architectures


Description

A double-free in sysstat’s check_file_actlst() function was
discovered.


Impact

A local attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All sysstat users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-admin/sysstat-12.2.1"
   


References

CVE-2019-19725
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