CVE-2020-6795

MEDIUM6.5

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

Published Mar 2, 2020

Modified 1 years ago

No fix available

Details

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

WEBhttps://bugzilla.mozilla.org/show_bug.cgi?id=1611105 ADVISORYhttps://security.gentoo.org/glsa/202003-10 ADVISORYhttps://usn.ubuntu.com/4328-1/ADVISORYhttps://usn.ubuntu.com/4335-1/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2020-6795 WEBhttps://www.mozilla.org/security/advisories/mfsa2020-07/

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedMar 2, 2020

ModifiedAug 4, 2024