CVE-2019-18888: fedoraproject fedora Argument Injection
Vulnerability summary
CVE-2019-18888 is a high (CVSS 7.5) Argument Injection vulnerability in fedoraproject fedora. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 21-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. If an application passes unvalidated user input as the file for which MIME type validation should occur, then arbitrary arguments are passed to the underlying file command. This is related to symfony/http-foundation (and symfony/mime in 4.3.x).
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
2.25%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- symfony< 4.3.8+dfsg-1
Fedoraproject1 product
- fedoraEOL30 | 31
Sensiolabs1 product
- symfony≥ 2.8.0, ≤ 2.8.50 | ≥ 3.4.0, ≤ 3.4.34 | ≥ 4.2.0, ≤ 4.2.11 | ≥ 4.3.0, ≤ 4.3.7
Ubuntu1 product
- symfonyAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- symfony.com/blog/cve-2019-18888-prevent-argument-injection-in-a-mimetypeguesserX Refsource CONFIRMREPORTVendor Advisory