CVE-2019-16928

Summary

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
• https://bugs.exim.org/show_bug.cgi?id=2449
• https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
• http://www.openwall.com/lists/oss-security/2019/09/28/1
• http://www.openwall.com/lists/oss-security/2019/09/28/2
• http://www.openwall.com/lists/oss-security/2019/09/28/3
• https://www.debian.org/security/2019/dsa-4536
• https://usn.ubuntu.com/4141-1/
• http://www.openwall.com/lists/oss-security/2019/09/28/4
• https://seclists.org/bugtraq/2019/Sep/60
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/
• https://security.gentoo.org/glsa/202003-47

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928

References

• https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
• https://bugs.exim.org/show_bug.cgi?id=2449
• https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
• http://www.openwall.com/lists/oss-security/2019/09/28/1
• http://www.openwall.com/lists/oss-security/2019/09/28/2
• http://www.openwall.com/lists/oss-security/2019/09/28/3
• https://www.debian.org/security/2019/dsa-4536
• https://usn.ubuntu.com/4141-1/
• http://www.openwall.com/lists/oss-security/2019/09/28/4
• https://seclists.org/bugtraq/2019/Sep/60
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/
• https://security.gentoo.org/glsa/202003-47

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