5.3

CVE-2017-5415: mozilla firefox Improper Input Validation

CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2017-5415
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-5415 is a medium (CVSS 5.3) Improper Input Validation vulnerability in mozilla firefox. EPSS estimates a 12.34% chance of exploitation in the next 30 days, higher than 96.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
12.34%
0%100%
Medium · -0.25 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 4 · Related 3
MGASA-2018-0018OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3216-1

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An attack can use a blob URL and script to spoof an arbitrary addressbar URL prefaced by "blob:" as the protocol, leading to user confusion and further spoofing attacks. This vulnerability affects Firefox < 52.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

12.34%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

-0.25 pp

From 12.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
12.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

  • exploit-databaselocalmultipleUnverified

    Mozilla Firefox - Address Bar Spoofing

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Mozilla1 product
  • firefox≥ unspecified, < 52 | < 52.0
Ubuntu1 product
  • firefox< 52.0+build2-0ubuntu0.14.04.1 | < 52.0+build2-0ubuntu0.16.04.1

2 vendors · 2 products

References

8 links