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Vulnerability Details : CVE-2020-15658

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Publish Date : 2020-08-10 Last Update Date : 2020-08-18
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 754

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:3557: firefox security update (Important) oval:com.redhat.rhsa:def:20203557 unix
RHSA-2020:4080: firefox security and bug fix update (Important) oval:com.redhat.rhsa:def:20204080 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-15658

# Product Type Vendor Product Version Update Edition Language
1 Application Mozilla Firefox * * * * Version Details Vulnerabilities
2 Application Mozilla Firefox Esr * * * * Version Details Vulnerabilities
3 Application Mozilla Thunderbird * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Mozilla Firefox 1
Mozilla Firefox Esr 1
Mozilla Thunderbird 1

- References For CVE-2020-15658

https://www.mozilla.org/security/advisories/mfsa2020-32/
https://www.mozilla.org/security/advisories/mfsa2020-30/
https://www.mozilla.org/security/advisories/mfsa2020-33/
https://bugzilla.mozilla.org/show_bug.cgi?id=1637745
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
SUSE openSUSE-SU-2020:1189
https://usn.ubuntu.com/4443-1/
UBUNTU USN-4443-1

- Metasploit Modules Related To CVE-2020-15658

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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