CVE-2020-6795

MEDIUM

Description

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1611105

https://security.gentoo.org/glsa/202003-10

https://www.mozilla.org/security/advisories/mfsa2020-07/

Details

Source: MITRE

Published: 2020-03-02

Updated: 2020-03-14

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Tenable Plugins

View all (24 total)

IDNameProductFamilySeverity
147312NewStart CGSL MAIN 4.06 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0002)NessusNewStart CGSL Local Security Checks
critical
145993CentOS 8 : thunderbird (CESA-2020:0577)NessusCentOS Local Security Checks
medium
143979NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0093)NessusNewStart CGSL Local Security Checks
critical
140291NewStart CGSL MAIN 4.05 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0046)NessusNewStart CGSL Local Security Checks
high
136909NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0025)NessusNewStart CGSL Local Security Checks
medium
135896Ubuntu 16.04 LTS : Thunderbird vulnerabilities (USN-4335-1)NessusUbuntu Local Security Checks
high
135455Ubuntu 18.04 LTS / 19.10 : Thunderbird vulnerabilities (USN-4328-1)NessusUbuntu Local Security Checks
high
134899Amazon Linux 2 : thunderbird (ALAS-2020-1408)NessusAmazon Linux Local Security Checks
medium
134587GLSA-202003-10 : Mozilla Thunderbird: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
134090CentOS 7 : thunderbird (CESA-2020:0576)NessusCentOS Local Security Checks
medium
134089CentOS 6 : thunderbird (CESA-2020:0574)NessusCentOS Local Security Checks
medium
134072Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200224)NessusScientific Linux Local Security Checks
medium
134071Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200224)NessusScientific Linux Local Security Checks
medium
134032RHEL 8 : thunderbird (RHSA-2020:0577)NessusRed Hat Local Security Checks
medium
134031RHEL 7 : thunderbird (RHSA-2020:0576)NessusRed Hat Local Security Checks
medium
134029RHEL 6 : thunderbird (RHSA-2020:0574)NessusRed Hat Local Security Checks
medium
134021Oracle Linux 7 : thunderbird (ELSA-2020-0576)NessusOracle Linux Local Security Checks
medium
133943RHEL 8 : thunderbird (RHSA-2020:0565)NessusRed Hat Local Security Checks
medium
133760openSUSE Security Update : MozillaThunderbird (openSUSE-2020-231)NessusSuSE Local Security Checks
medium
133732Debian DSA-4625-1 : thunderbird - security updateNessusDebian Local Security Checks
medium
133728Debian DLA-2104-1 : thunderbird security updateNessusDebian Local Security Checks
medium
133691Mozilla Thunderbird < 68.5NessusWindows
medium
133690Mozilla Thunderbird < 68.5NessusMacOS X Local Security Checks
medium
133643Slackware 14.2 / current : mozilla-thunderbird (SSA:2020-042-02)NessusSlackware Local Security Checks
medium