MGASA-2021-0171 - Updated python-bottle packages fix security vulnerability

Publication date: 02 Apr 2021
URL: https://advisories.mageia.org/MGASA-2021-0171.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-28473

Updated python-bottle packages fix security vulnerability:

python-bottle before 0.12.19 is vulnerable to Web Cache Poisoning by using
a vector called parameter cloaking. When the attacker can separate query
parameters using a semicolon (;), they can cause a difference in the
interpretation of the request between the proxy (running with default
configuration) and the server. This can result in malicious requests being
cached as completely safe ones, as the proxy would usually not see the
semicolon as a separator, and therefore would not include it in a cache key
of an unkeyed parameter (CVE-2020-28473).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28219
- https://www.debian.org/lts/security/2021/dla-2531
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28473

SRPMS:
- 7/core/python-bottle-0.12.16-1.1.mga7

Mageia 2021-0171: python-bottle security update

Updated python-bottle packages fix security vulnerability: python-bottle before 0.12.19 is vulnerable to Web Cache Poisoning by using a vector called parameter cloaking

Summary

Updated python-bottle packages fix security vulnerability:
python-bottle before 0.12.19 is vulnerable to Web Cache Poisoning by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter (CVE-2020-28473).

References

- https://bugs.mageia.org/show_bug.cgi?id=28219

- https://www.debian.org/lts/security/2021/dla-2531

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28473

Resolution

MGASA-2021-0171 - Updated python-bottle packages fix security vulnerability

SRPMS

- 7/core/python-bottle-0.12.16-1.1.mga7

Severity
Publication date: 02 Apr 2021
URL: https://advisories.mageia.org/MGASA-2021-0171.html
Type: security
CVE: CVE-2020-28473

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