Vulnerability in Apache HTTP Server
CVE-2018-17199
In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.202 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.202 · newest: 0.202 · change: 0.000
Affected products
- Apache HTTP Server
- Apache Software Foundation HTTP Server — versions Apache HTTP Server 2.4.0 to 2.4.37
- NetApp Santricity Cloud Connector
- NetApp Storage Automation Store
- Oracle Enterprise Manager Ops Center — versions 12.3.3
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- FishyStix12/WHPython_
- Hughes-Actual/Recon-Assignment-Hughes
- NeoOniX/5ATTACK
- PawanKumarPandit/Shodan-nrich
- RoseSecurity-Research/Red-Teaming-TTPs
- RoseSecurity/Red-Teaming-TTPs
- Samaritin/OSINT
- Xorlent/Red-Teaming-TTPs
- austin-lai/External-Penetration-Testing-Holo-Corporate-Network-TryHackMe-Holo-Network
References
- lists.debian.org/debian-lts-announce/2019/01/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/106742 (VDB Entry, Third Party Advisory, vdb-entry)
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- security.netapp.com/advisory/ntap-20190125-0001/ (Third Party Advisory)
- security.gentoo.org/glsa/201903-21 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Apr/5 (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3937-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2019/dsa-4422 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (Patch, Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
Frequently asked questions
- What is CVE-2018-17199?
- CVE-2018-17199 is a high-severity vulnerability in Apache HTTP Server, classified under Session Fixation. CVSS score: 7.5/10. Published 2019-01-30.
- How severe is CVE-2018-17199?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-17199 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.