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AUSCERT External Security Bulletin Redistribution
ESB-2021.1858
Security update for python-httplib2
1 June 2021
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AusCERT Security Bulletin Summary
———————————
Product: python-httplib2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service — Remote/Unauthenticated
Provide Misleading Information — Remote/Unauthenticated
Reduced Security — Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21240 CVE-2020-11078
Reference: ESB-2021.1832
ESB-2021.1825
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211808-1
https://www.suse.com/support/update/announcement/2021/suse-su-20211807-1
https://www.suse.com/support/update/announcement/2021/suse-su-20211806-1
Comment: This bulletin contains three (3) SUSE security advisories.
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SUSE Security Update: Security update for python-httplib2
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1806-1
Rating: moderate
References: #1171998 #1182053
Cross-References: CVE-2020-11078 CVE-2021-21240
Affected Products:
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP3
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for python-httplib2 fixes the following issues:
o Update to version 0.19.0 (bsc#1182053).
o CVE-2021-21240: Fixed regular expression denial of service via malicious
header (bsc#1182053).
o CVE-2020-11078: Fixed unescaped part of uri where an attacker could change
request headers and body (bsc#1182053).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or “zypper patch”.
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3:
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP3-2021-1806=
1
o SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2:
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2021-1806=
1
o SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1806=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1806=1
Package List:
o SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (noarch):
python2-httplib2-0.19.0-3.3.1
o SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (noarch):
python2-httplib2-0.19.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (noarch):
python3-httplib2-0.19.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):
python3-httplib2-0.19.0-3.3.1
References:
o https://www.suse.com/security/cve/CVE-2020-11078.html
o https://www.suse.com/security/cve/CVE-2021-21240.html
o https://bugzilla.suse.com/1171998
o https://bugzilla.suse.com/1182053
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1807-1
Rating: moderate
References: #1171998 #1182053
Cross-References: CVE-2020-11078 CVE-2021-21240
Affected Products:
SUSE OpenStack Cloud 7
SUSE Linux Enterprise Module for Public Cloud 12
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for python-httplib2 contains the following fixes:
Security fixes included in this update:
o CVE-2021-21240: Fixed a regular expression denial of service via malicious
header (bsc#1182053).
o CVE-2020-11078: Fixed an issue where an attacker could change request
headers and body (bsc#1171998).
Non-security fixes included in this update:
o Update in SLE to 0.19.0 (bsc#1182053, CVE-2021-21240)
o update to 0.19.0: * auth: parse headers using pyparsing instead of regexp *
auth: WSSE token needs to be string not bytes
o update to 0.18.1: (bsc#1171998, CVE-2020-11078) * explicit build-backend
workaround for pip build isolation bug * IMPORTANT security vulnerability
CWE-93 CRLF injection Force %xx quote of space, CR, LF characters in uri. *
Ship test suite in source dist
o update to 0.17.3: * bugfixes
o Update to 0.17.1 * python3: no_proxy was not checked with https * feature:
Http().redirect_codes set, works after follow(_all)_redirects check This
allows one line workaround for old gcloud library that uses 308 response
without redirect semantics. * IMPORTANT cache invalidation change, fix 307
keep method, add 308 Redirects * proxy: username/password as str compatible
with pysocks * python2: regression in connect() error handling * add
support for password protected certificate files * feature: Http.close() to
clean persistent connections and sensitive data
o Update to 0.14.0: * Python3: PROXY_TYPE_SOCKS5 with str user/pass raised
TypeError
o version update to 0.13.1 0.13.1 * Python3: Use no_proxy https://github.com/
httplib2/httplib2/pull/140 0.13.0 * Allow setting TLS max/min versions
https://github.com/httplib2/httplib2/pull/138 0.12.3 * No changes to
library. Distribute py3 wheels. 0.12.1 * Catch socket timeouts and clear
dead connection https://github.com/httplib2/httplib2/issues/18 https://
github.com/httplib2/httplib2/pull/111 * Officially support Python 3.7
(package metadata) https://github.com/httplib2/httplib2/issues/123 0.12.0 *
Drop support for Python 3.3 * ca_certs from environment HTTPLIB2_CA_CERTS
or certifi https://github.com/httplib2/httplib2/pull/117 * PROXY_TYPE_HTTP
with non-empty user/pass raised TypeError: bytes required https://
github.com/httplib2/httplib2/pull/115 * Revert http:443->https workaround
https://github.com/httplib2/httplib2/issues/112 * eliminate connection pool
read race https://github.com/httplib2/httplib2/pull/110 * cache: stronger
safename https://github.com/httplib2/httplib2/pull/101 0.11.3 * No changes,
just reupload of 0.11.2 after fixing automatic release conditions in
Travis. 0.11.2 * proxy: py3 NameError basestring https://github.com/
httplib2/httplib2/pull/100 0.11.1 * Fix HTTP(S)ConnectionWithTimeout
AttributeError proxy_info https://github.com/httplib2/httplib2/pull/97
0.11.0 * Add DigiCert Global Root G2 serial
033af1e6a711a9a0bb2864b11d09fae5 https://github.com/httplib2/httplib2/pull/
91 * python3 proxy support https://github.com/httplib2/httplib2/pull/90 *
If no_proxy environment value ends with comma then proxy is not used https:
//github.com/httplib2/httplib2/issues/11 * fix UnicodeDecodeError using
socks5 proxy https://github.com/httplib2/httplib2/pull/64 * Respect
NO_PROXY env var in proxy_info_from_url https://github.com/httplib2/
httplib2/pull/58 * NO_PROXY=bar was matching foobar (suffix without dot
delimiter) New behavior matches curl/wget:
– no_proxy=foo.bar will only skip proxy for exact hostname match – no_proxy
=.wild.card will skip proxy for any.subdomains.wild.card
https://github.com/httplib2/httplib2/issues/94 * Bugfix for Content-Encoding:
deflate https://stackoverflow.com/a/22311297
deleted patches httplib2 started to use certifi and this is already bent to use
system certificate bundle.
o handle the case when validation is disabled correctly. The ‘check_hostname’
context attribute has to be set first, othewise a “ValueError: Cannot set
verify_mode to CERT_NONE when check_hostname is enabled.” exception is
raised.
o handle the case with ssl_version being None correctly
o Use ssl.create_default_context in the python2 case so that the system wide
certificates are loaded as trusted again.
o Source url must be https.
o Spec file cleanups
o Update to 0.10.3 * Fix certificate validation on Pythonhttps workaround
https://github.com/httplib2/httplib2/issues/112 * eliminate connection pool
read race https://github.com/httplib2/httplib2/pull/110 * cache: stronger
safename https://github.com/httplib2/httplib2/pull/101 0.11.3 * No changes,
just reupload of 0.11.2 after fixing automatic release conditions in
Travis. 0.11.2 * proxy: py3 NameError basestring https://github.com/
httplib2/httplib2/pull/100 0.11.1 * Fix HTTP(S)ConnectionWithTimeout
AttributeError proxy_info https://github.com/httplib2/httplib2/pull/97
0.11.0 * Add DigiCert Global Root G2 serial
033af1e6a711a9a0bb2864b11d09fae5 https://github.com/httplib2/httplib2/pull/
91 * python3 proxy support https://github.com/httplib2/httplib2/pull/90 *
If no_proxy environment value ends with comma then proxy is not used https:
//github.com/httplib2/httplib2/issues/11 * fix UnicodeDecodeError using
socks5 proxy https://github.com/httplib2/httplib2/pull/64 * Respect
NO_PROXY env var in proxy_info_from_url https://github.com/httplib2/
httplib2/pull/58 * NO_PROXY=bar was matching foobar (suffix without dot
delimiter) New behavior matches curl/wget:
– no_proxy=foo.bar will only skip proxy for exact hostname match – no_proxy
=.wild.card will skip proxy for any.subdomains.wild.card
https://github.com/httplib2/httplib2/issues/94 * Bugfix for Content-Encoding:
deflate https://stackoverflow.com/a/22311297
deleted patches – httplib2 started to use certifi and this is already bent to
use system certificate bundle
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or “zypper patch”.
Alternatively you can run the command listed for your product:
o SUSE OpenStack Cloud Crowbar 8:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1808=1
o SUSE OpenStack Cloud 8:
zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1808=1
o HPE Helion Openstack 8:
zypper in -t patch HPE-Helion-OpenStack-8-2021-1808=1
Package List:
o SUSE OpenStack Cloud Crowbar 8 (noarch):
python-httplib2-0.19.0-7.3.1
o SUSE OpenStack Cloud 8 (noarch):
python-httplib2-0.19.0-7.3.1
o HPE Helion Openstack 8 (noarch):
python-httplib2-0.19.0-7.3.1
References:
o https://www.suse.com/security/cve/CVE-2020-11078.html
o https://www.suse.com/security/cve/CVE-2021-21240.html
o https://bugzilla.suse.com/1171998
o https://bugzilla.suse.com/1182053
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