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OpenAdvisories
High ALAS2-2019-1247 2 CVEs

Important: python3 security update (Amazon Linux 2)

Published Jul 18, 2019 · Updated Jul 22, 2019

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2019-9947: An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the path component of a URL that lacks a ? character) followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue. 1695572: CVE-2019-9947 python: improper neutralization of CRLF sequences in urllib module 1695572: CVE-2019-9947 python: CRLF injection via the path part of the url passed to urlopen() CVE-2019-9740: An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. 1688169: CVE-2019-9740 python: improper neutralization of CRLF sequences in urllib module 1688169: CVE-2019-9740 python: CRLF injection via the query part of the url passed to urlopen()

Fixed packages 8

ReleasePackageFixed in
Amazon Linux · 2 python3 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-debug 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-debuginfo 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-devel 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-libs 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-test 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-tkinter 0:3.7.3-1.amzn2.0.2
Amazon Linux · 2 python3-tools 0:3.7.3-1.amzn2.0.2

Vulnerabilities 2

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2019-9740.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2019-9947.html