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Ubuntu: (Multiple Advisories) (CVE-2020-21047): elfutils vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-21047): elfutils vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/22/2023
Created
08/31/2023
Added
08/31/2023
Modified
08/31/2023

Description

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

Solution(s)

  • ubuntu-upgrade-elfutils
  • ubuntu-upgrade-libasm1
  • ubuntu-upgrade-libdw1
  • ubuntu-upgrade-libelf1

References

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