CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
85.4%
Multiple serious vulnerabilities have been found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, obtain sensitive information, inject arbitrary code or spoof user interface.
A buffer overflow vulnerability in Direct 3D 9 component can be exploited remotely to cause denial of service;
A vulnerability, related with displaying of RSS feed can be exploited remotely to execute arbitrary code;
A vulnerability, related with crafting CSS in an RSS feed can be exploited remotely to obtain sensitive information;
A vulnerability, related with creating email structure can be exploited remotely to inject arbitrary HTML;
Technical details
NB: This vulnerability does not have any public CVSS rating, so rating can be changed by the time.
Mozilla Foundation Security Advisory 2017-30
Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.
CVE-2017-7846 high
CVE-2017-7847 warning
CVE-2017-7848 warning
CVE-2017-7829 warning
CVE-2017-7845 critical
Update to the latest version
Mozilla Thunderbird download page
Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.
Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.
Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.
Code injection. Exploitation of vulnerabilities with this impact can lead to changes in target code.
Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.
Cross site scripting. Exploitation of vulnerabilities with this impact can lead to partial interception of information transmitted between user and site.
Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
85.4%