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Test ID:1.3.6.1.4.1.25623.1.0.892587
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for privoxy (DLA-2587-1)
Summary:The remote host is missing an update for the 'privoxy'; package(s) announced via the DLA-2587-1 advisory.
Description:Summary:
The remote host is missing an update for the 'privoxy'
package(s) announced via the DLA-2587-1 advisory.

Vulnerability Insight:
Multiple vulnerabilities were discovered in privoxy, a web proxy with
advanced filtering capabilities.

CVE-2021-20272

An assertion failure could be triggered with a crafted CGI
request leading to server crash.

CVE-2021-20273

A crash can occur via a crafted CGI request if Privoxy is toggled
off.

CVE-2021-20275

An invalid read of size two may occur in
chunked_body_is_complete() leading to denial of service.

CVE-2021-20276

Invalid memory access with an invalid pattern passed to
pcre_compile() may lead to denial of service.

Affected Software/OS:
'privoxy' package(s) on Debian Linux.

Solution:
For Debian 9 stretch, these problems have been fixed in version
3.0.26-3+deb9u2.

We recommend that you upgrade your privoxy packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-20272
Common Vulnerability Exposure (CVE) ID: CVE-2021-20273
Common Vulnerability Exposure (CVE) ID: CVE-2021-20275
Common Vulnerability Exposure (CVE) ID: CVE-2021-20276
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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