CVE-2021-20272 - Reachable Assertion

Severity

75%

Complexity

39%

Confidentiality

60%

A flaw was found in privoxy before 3.0.32. An assertion failure could be triggered with a crafted CGI request leading to server crash.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Demo Examples

Reachable Assertion

CWE-617

In the excerpt below, an AssertionError (an unchecked exception) is thrown if the user hasn't entered an email address in an HTML form.


               
assert email != null;

Overview

First reported 3 years ago

2021-03-09 14:15:00

Last updated 3 years ago

2021-12-07 20:02:00

Affected Software

Debian Linux 9.0

9.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1936651

[debian-lts-announce] 20210309 [SECURITY] [DLA 2587-1] privoxy security update

https://www.privoxy.org/announce.txt

https://bugzilla.redhat.com/show_bug.cgi?id=1936651

Issue Tracking, Patch, Third Party Advisory

[debian-lts-announce] 20210309 [SECURITY] [DLA 2587-1] privoxy security update

Mailing List, Third Party Advisory

https://www.privoxy.org/announce.txt

Vendor Advisory

GLSA-202107-16

GLSA-202107-16

Third Party Advisory

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