CVE-2018-1318: apache software foundation apache traffic server Improper Input Validation
Vulnerability summary
CVE-2018-1318 is a high (CVSS 7.5) Improper Input Validation vulnerability in apache software foundation apache traffic server. EPSS estimates a 7.72% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 29-08-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Adding method ACLs in remap.config can cause a segfault when the user makes a carefully crafted request. This affects versions Apache Traffic Server (ATS) 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
7.72%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 7.72% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- trafficserver< 7.1.4+ds-1
- debian_linuxEOL9.0
Apache1 product
- traffic_server≥ 6.0.0, ≤ 6.2.2 | ≥ 7.0.0, ≤ 7.1.3
Apache software foundation1 product
- apache traffic server6.0.0 to 6.2.2 | 7.0.0 to 7.1.3
Ubuntu1 product
- trafficserverAll versions (No fix recorded)
4 vendors · 5 products