VulnerabilityModified
CVE-2020-12673
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
HIGH 7.5EPSS 6.19%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 6.19% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- dovecot/dovecot · debian/debian linux · canonical/ubuntu linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.htmlBroken Link
- https://dovecot.org/securityVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00024.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
- https://security.gentoo.org/glsa/202009-02Third Party Advisory
- https://usn.ubuntu.com/4456-1/Third Party Advisory
- https://usn.ubuntu.com/4456-2/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4745Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/08/12/2Exploit, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.htmlBroken Link
- https://dovecot.org/securityVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00024.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
- https://security.gentoo.org/glsa/202009-02Third Party Advisory
- https://usn.ubuntu.com/4456-1/Third Party Advisory
- https://usn.ubuntu.com/4456-2/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4745Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/08/12/2Exploit, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.