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CVE-2019-18217

Good to know:

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Date: October 20, 2019

ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.

Language: C

Severity Score

Related Resources (20)

https://github.com/proftpd/proftpd/blob/1.3.6/NEWS
https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
https://nvd.nist.gov/vuln/detail/CVE-2019-18217
https://security-tracker.debian.org/tracker/CVE-2019-18217
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
https://github.com/proftpd/proftpd/blob/master/NEWS
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
https://security.gentoo.org/glsa/202003-35
https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://github.com/proftpd/proftpd/issues/846
https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
https://www.debian.org/security/2019/dsa-4559
https://seclists.org/bugtraq/2019/Nov/7
https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf
https://www.mend.io/vulnerability-database/CVE-2019-18217

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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