CVE-2017-5405

Public Exploit

Description

Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.67% Top 15%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/96693 vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1336699 issue tracking exploit vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0459.html third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-09/ vendor advisory
https://www.debian.org/security/2017/dsa-3832 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-07/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-05/ vendor advisory
http://www.securitytracker.com/id/1037966 vdb entry third party advisory
https://security.gentoo.org/glsa/201705-06 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0461.html third party advisory vendor advisory
https://www.debian.org/security/2017/dsa-3805 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-06/ vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0498.html third party advisory vendor advisory
https://security.gentoo.org/glsa/201705-07 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5405?
CVE-2017-5405 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5405?
To fix CVE-2017-5405, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5405 being actively exploited in the wild?
It is possible that CVE-2017-5405 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-5405?
CVE-2017-5405 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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