CVE-2020-35680 (GCVE-0-2020-35680)
Vulnerability from cvelistv5
Published
2020-12-24 15:53
Modified
2024-08-04 17:09
Severity ?
CWE
  • n/a
Summary
smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
References
cve@mitre.org https://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1 Patch, Third Party Advisory
cve@mitre.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
cve@mitre.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
cve@mitre.org https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/ Third Party Advisory
cve@mitre.org https://security.gentoo.org/glsa/202105-12 Third Party Advisory
cve@mitre.org https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
af854a3a-2127-422b-91ae-364da2661108 https://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1 Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
af854a3a-2127-422b-91ae-364da2661108 https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202105-12 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

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