Is CVE-2017-7832 in the CISA KEV catalog?

No. CVE-2017-7832 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7832?

CVE-2017-7832 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2017-7832?

CVE-2017-7832 has an EPSS score of 1.51% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7832?

Upgrade firefox on debian unstable to 57.0-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7832

MEDIUMEPSS 71th pctl

5.3

CVSS v3

NVD

Description

The combined, single character, version of the letter 'i' with any of the potential accents in unicode, such as acute or grave, can be spoofed in the addressbar by the dotless version of 'i' followed by the same accent as a second character with most font sets. This allows for domain spoofing attacks because these combined domain names do not display as punycode. This vulnerability affects Firefox < 57.

CWE-20Improper Input Validation

How to fix

Remediation Available

firefoxDebian

Fixed in:57.0-1CVE-2017-7832

firefoxUbuntu

Fixed in:57.0+build4-0ubuntu0.14.04.4USN-3477-1

Fixed in:57.0+build4-0ubuntu0.16.04.5USN-3477-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

1.51%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory2

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.