CVE-2019-19271
published 2019-11-26CVE-2019-19271: An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries…
PriorityP336high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
1.12%
62.6th percentile
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | proftpd-dfsg | < proftpd-dfsg 1.3.6-1 (bookworm) | proftpd-dfsg 1.3.6-1 (bookworm) |
| proftpd | proftpd | < 1.3.6 | 1.3.6 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
osv7.5HIGH
vendor_debian7.5HIGH
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GHSA
GHSA-h7h2-5q94-rr6j: An issue was discovered in tls_verify_crl in ProFTPD before 1
ghsa_unreviewed·2022-05-24
CVE-2019-19271 [MEDIUM] GHSA-h7h2-5q94-rr6j: An issue was discovered in tls_verify_crl in ProFTPD before 1
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
OSV
CVE-2019-19271: An issue was discovered in tls_verify_crl in ProFTPD before 1
osv·2019-11-26·CVSS 7.5
CVE-2019-19271 [HIGH] CVE-2019-19271: An issue was discovered in tls_verify_crl in ProFTPD before 1
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Debian
CVE-2019-19271: proftpd-dfsg - An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong itera...
vendor_debian·2019·CVSS 7.5
CVE-2019-19271 [HIGH] CVE-2019-19271: proftpd-dfsg - An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong itera...
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Scope: local
bookworm: resolved (fixed in 1.3.6-1)
bullseye: resolved (fixed in 1.3.6-1)
forky: resolved (fixed in 1.3.6-1)
sid: resolved (fixed in 1.3.6-1)
trixie: resolved (fixed in 1.3.6-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [epel-all]
bugzilla·2019-11-29·CVSS 7.5
CVE-2019-19271 [HIGH] CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [epel-all]
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog
Bugzilla
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [fedora-all]
bugzilla·2019-11-29·CVSS 7.5
CVE-2019-19271 [HIGH] CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [fedora-all]
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM chang
Bugzilla
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored
bugzilla·2019-11-29·CVSS 7.5
CVE-2019-19271 [HIGH] CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored
CVE-2019-19271 proftpd: A wrong iteration variable, used when checking a client certificate against CRL entries, can cause some CRL entries to be ignored
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Reference:
https://github.com/proftpd/proftpd/issues/860
Discussion:
Created proftpd tracking bugs for this issue:
Affects: epel-all [bug 1778233]
Affects: fedora-all [bug 1778232]
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This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a c
2019-11-26
Published