CVE-2016-1983 — Improper Input Validation in Privoxy

CWE-20 — Improper Input ValidationCWE-125 — Out-of-bounds Read10 documents7 sources
Severity
7.5HIGHNVD
EPSS
1.8%
top 17.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PrivoxyDebian Privoxy
Timeline
PublishedJan 27
Latest updateMay 17

Description

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/privoxy< privoxy 3.0.24-1 (bookworm)
▶Debianprivoxy/privoxy< 3.0.24-1+3
▶NVDprivoxy/privoxy3.0.23

🔴Vulnerability Details

2
GHSA
GHSA-6frp-gfc5-q2xj: The client_host function in parsers↗2022-05-17
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OSV
CVE-2016-1983: The client_host function in parsers↗2016-01-27
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💥Exploits & PoCs

1
Exploit-DB
Microsoft Word 2013/2016 - sprmSdyaTop Denial of Service (MS16-099)↗2016-08-16
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📋Vendor Advisories

2
Red Hat
privoxy: invalid read via empty host header in client request↗2016-01-21
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Debian
CVE-2016-1983: privoxy - The client_host function in parsers.c in Privoxy before 3.0.24 allows remote att...↗2016
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💬Community

4
Bugzilla
CVE-2016-1983 privoxy: invalid read via empty host header in client request↗2016-01-22
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Bugzilla
CVE-2016-1983 privoxy: invalid read via empty host header in client request [fedora-all]↗2016-01-22
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Bugzilla
CVE-2016-1983 privoxy: invalid read via empty host header in client request [epel-6]↗2016-01-22
▶
Bugzilla
CVE-2016-1983 privoxy: invalid read via empty host header in client request [epel-7]↗2016-01-22
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CVE-2016-1983 — Improper Input Validation in Privoxy | cvebase