CLSA-2021-1635459163

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2021-1635459163
Upstream
Published
2021-10-28T22:12:43Z
Modified
2026-06-04T09:45:31.470109657Z
Summary
Fix CVE(s): CVE-2021-22946, CVE-2021-22947
Details
  • SECURITY UPDATE: Protocol downgrade required TLS bypassed
    • debian/patches/CVE-2021-22946-pre1.patch: separate FTPS from FTP over HTTPS proxy in lib/ftp.c, lib/urldata.h.
    • debian/patches/CVE-2021-22946-pre2.patch: support PREAUTH response code in lib/imap.c, lib/imap.h, tests/data/Makefile.inc, tests/data/test846.
    • debian/patches/CVE-2021-22946.patch: do not ignore --ssl-reqd in lib/ftp.c, lib/imap.c, lib/pop3.c, tests/data/Makefile.inc, tests/data/test984, tests/data/test985, tests/data/test986.
    • CVE-2021-22946
  • SECURITY UPDATE: STARTTLS protocol injection via MITM
    • debian/patches/CVE-2021-22947.patch: reject STARTTLS server response pipelining in lib/ftp.c, lib/imap.c, lib/pop3.c, lib/smtp.c, tests/data/Makefile.inc, tests/data/test980, tests/data/test981, tests/data/test982, tests/data/test983.
    • CVE-2021-22947
References

Affected packages

TuxCare:Ubuntu:16.04
curl

Package

Name
curl
Purl
pkg:deb/tuxcare/curl?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl3

Package

Name
libcurl3
Purl
pkg:deb/tuxcare/libcurl3?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl3-gnutls

Package

Name
libcurl3-gnutls
Purl
pkg:deb/tuxcare/libcurl3-gnutls?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl3-nss

Package

Name
libcurl3-nss
Purl
pkg:deb/tuxcare/libcurl3-nss?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl4-doc

Package

Name
libcurl4-doc
Purl
pkg:deb/tuxcare/libcurl4-doc?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl4-gnutls-dev

Package

Name
libcurl4-gnutls-dev
Purl
pkg:deb/tuxcare/libcurl4-gnutls-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl4-nss-dev

Package

Name
libcurl4-nss-dev
Purl
pkg:deb/tuxcare/libcurl4-nss-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"
libcurl4-openssl-dev

Package

Name
libcurl4-openssl-dev
Purl
pkg:deb/tuxcare/libcurl4-openssl-dev?distro=ubuntu-16.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.23

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2021-1635459163.json"