CVE-2020-8450

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

References

http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch

http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch

http://www.squid-cache.org/Advisories/SQUID-2020_1.txt

http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch

http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch

http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch

https://usn.ubuntu.com/4289-1/

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html

https://security.gentoo.org/glsa/202003-34

https://lists.fedoraproject.org/archives/list/[email protected]/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/

https://lists.fedoraproject.org/archives/list/[email protected]/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html

https://www.debian.org/security/2020/dsa-4682

https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html

https://security.netapp.com/advisory/ntap-20210304-0002/

Details

Source: MITRE

Published: 2020-02-04

Updated: 2021-07-21

Type: CWE-119

Risk Information

CVSS v2

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Impact Score: 3.4

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (26 total)

IDNameProductFamilySeverity
150657SUSE SLES11 Security Update : squid3 (SUSE-SU-2020:14460-1)NessusSuSE Local Security Checks
high
147395NewStart CGSL CORE 5.04 / MAIN 5.04 : squid Multiple Vulnerabilities (NS-SA-2021-0030)NessusNewStart CGSL Local Security Checks
high
112693Squid < 4.10 Multiple VulnerabilitiesWeb Application ScanningComponent Vulnerability
high
145969CentOS 8 : squid:4 (CESA-2020:4743)NessusCentOS Local Security Checks
high
142983Amazon Linux AMI : squid (ALAS-2020-1453)NessusAmazon Linux Local Security Checks
high
142599CentOS 7 : squid (CESA-2020:4082)NessusCentOS Local Security Checks
high
142412RHEL 8 : squid:4 (RHSA-2020:4743)NessusRed Hat Local Security Checks
high
141708Scientific Linux Security Update : squid on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
high
141309Oracle Linux 7 : squid (ELSA-2020-4082)NessusOracle Linux Local Security Checks
high
141089RHEL 7 : squid (RHSA-2020:4082)NessusRed Hat Local Security Checks
high
140894EulerOS 2.0 SP3 : squid (EulerOS-SA-2020-2127)NessusHuawei Local Security Checks
high
140199Amazon Linux 2 : squid (ALAS-2020-1486)NessusAmazon Linux Local Security Checks
high
137508EulerOS 2.0 SP2 : squid (EulerOS-SA-2020-1666)NessusHuawei Local Security Checks
high
136869EulerOS 2.0 SP8 : squid (EulerOS-SA-2020-1591)NessusHuawei Local Security Checks
high
136430Debian DSA-4682-1 : squid - security updateNessusDebian Local Security Checks
high
136316openSUSE Security Update : squid (openSUSE-2020-606)NessusSuSE Local Security Checks
high
136302FreeBSD : Squid -- multiple vulnerabilities (57c1c2ee-7914-11ea-90bf-0800276545c1)NessusFreeBSD Local Security Checks
high
135213Fedora 30 : 7:squid (2020-ab8e7463ab)NessusFedora Local Security Checks
high
135211Fedora 31 : 7:squid (2020-790296a8f4)NessusFedora Local Security Checks
high
134817EulerOS 2.0 SP5 : squid (EulerOS-SA-2020-1326)NessusHuawei Local Security Checks
high
134640GLSA-202003-34 : Squid: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
134561SUSE SLES12 Security Update : squid (SUSE-SU-2020:0661-1)NessusSuSE Local Security Checks
high
134284openSUSE Security Update : squid (openSUSE-2020-307)NessusSuSE Local Security Checks
high
134103SUSE SLES15 Security Update : squid (SUSE-SU-2020:0493-1)NessusSuSE Local Security Checks
high
134099SUSE SLES12 Security Update : squid (SUSE-SU-2020:0487-1)NessusSuSE Local Security Checks
high
133951Ubuntu 16.04 LTS / 18.04 LTS / 19.10 : Squid vulnerabilities (USN-4289-1)NessusUbuntu Local Security Checks
high