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Ubuntu: (Multiple Advisories) (CVE-2023-42115): Exim vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-42115): Exim vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/04/2023
Created
10/06/2023
Added
10/06/2023
Modified
10/06/2023

Description

It was discovered that Exim incorrectly handled certain challenge requests. A remote attacker could possibly use this issue to perform out-of-bounds reads, resulting in information leakage. (CVE-2023-42114)It was discovered that Exim incorrectly handled validation of user-supplied data. A remote attacker could possibly use this issue to perform out-of-bounds writes, resulting in arbitrary code execution. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-42115)It was discovered that Exim incorrectly handled certain challenge requests. A remote attacker could possibly use this issue to perform out-of-bounds writes, resulting in arbitrary code execution. (CVE-2023-42116)

Solution(s)

  • ubuntu-upgrade-exim4
  • ubuntu-upgrade-exim4-base
  • ubuntu-upgrade-exim4-daemon-heavy
  • ubuntu-upgrade-exim4-daemon-light
  • ubuntu-upgrade-eximon4

References

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