openSUSE-SU-2022:10186-1: important: Security update for privoxy
openSUSE Security Update: Security update for privoxy
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Announcement ID: openSUSE-SU-2022:10186-1
Rating: important
References: #1193584
Cross-References: CVE-2021-44540 CVE-2021-44541 CVE-2021-44542
CVE-2021-44543
CVSS scores:
CVE-2021-44540 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-44541 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-44542 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-44543 (NVD) : 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products:
openSUSE Backports SLE-15-SP4
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An update that fixes four vulnerabilities is now available.
Description:
This update for privoxy fixes the following issues:
privoxy was updated to 3.0.33 (boo#1193584):
* CVE-2021-44543: Encode the template name to prevent XSS (cross-side
scripting) when Privoxy is configured to servce the user-manual itself
* CVE-2021-44540: Free memory of compiled pattern spec before bailing
* CVE-2021-44541: Free header memory when failing to get the request
destination.
* CVE-2021-44542: Prevent memory leaks when handling errors
* Disable fast-redirects for a number of domains
* Update default block lists
* Many bug fixes and minor enhancements
Patch Instructions:
To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- openSUSE Backports SLE-15-SP4:
zypper in -t patch openSUSE-2022-10186=1
Package List:
- openSUSE Backports SLE-15-SP4 (aarch64 i586 ppc64le s390x x86_64):
privoxy-3.0.33-bp154.3.3.1
- openSUSE Backports SLE-15-SP4 (noarch):
privoxy-doc-3.0.33-bp154.3.3.1
References:
https://www.suse.com/security/cve/CVE-2021-44540.html
https://www.suse.com/security/cve/CVE-2021-44541.html
https://www.suse.com/security/cve/CVE-2021-44542.html
https://www.suse.com/security/cve/CVE-2021-44543.html
https://bugzilla.suse.com/1193584
A privoxy security update has been released for SUSE Linux Enterprise 15 SP4.
