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Debian LTS: Security Advisory for privoxy (DLA-2587-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

The remote host is missing an update for the 'privoxy' package(s) announced via the DLA-2587-1 advisory.

Insight

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

Affected Software

'privoxy' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

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.

Common Vulnerabilities and Exposures (CVE)