Sign Up
Log In
Log In
or
Sign Up
Places
All Projects
Status Monitor
Collapse sidebar
SUSE:SLE-12-SP5:GA
python.33977
CVE-2021-3733-fix-ReDoS-in-request.patch
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File CVE-2021-3733-fix-ReDoS-in-request.patch of Package python.33977
--- a/Lib/urllib2.py +++ b/Lib/urllib2.py @@ -856,7 +856,7 @@ class AbstractBasicAuthHandler: # allow for double- and single-quoted realm values # (single quotes are a violation of the RFC, but appear in the wild) - rx = re.compile('(?:[^,]*,)*[ \t]*([^ \t]+)[ \t]+' + rx = re.compile('(?:[^,]*,)*[ \t]*([^ \t,]+)[ \t]+' 'realm=(["\']?)([^"\']*)\\2', re.I) # XXX could pre-emptively send auth info already accepted (RFC 2617, --- /dev/null +++ b/Misc/NEWS.d/next/Security/2021-01-31-05-28-14.bpo-43075.DoAXqO.rst @@ -0,0 +1 @@ +Fix Regular Expression Denial of Service (ReDoS) vulnerability in :class:`urllib.request.AbstractBasicAuthHandler`. The ReDoS-vulnerable regex has quadratic worst-case complexity and it allows cause a denial of service when identifying crafted invalid RFCs. This ReDoS issue is on the client side and needs remote attackers to control the HTTP server.
Locations
Projects
Search
Status Monitor
Help
OpenBuildService.org
Documentation
API Documentation
Code of Conduct
Contact
Support
@OBShq
Terms
openSUSE Build Service is sponsored by
The Open Build Service is an
openSUSE project
.
Sign Up
Log In
Places
Places
All Projects
Status Monitor
