Apache HTTP Server up to 2.4.37 mod_session expired session fixiation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server up to 2.4.37 and classified as problematic. This affects an unknown part of the component mod_session. Executing a manipulation can lead to session fixiation (expired). This vulnerability is registered as CVE-2018-17199. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apache HTTP Server up to 2.4.37 (Web Server). This vulnerability affects an unknown code of the component mod_session. The manipulation with an unknown input leads to a session fixiation vulnerability (Expired). The CWE definition for the vulnerability is CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 01/22/2019. The weakness was published 01/30/2019 (Website). The advisory is available at httpd.apache.org. This vulnerability was named CVE-2018-17199 since 09/19/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 121327 (Slackware 14.0 / 14.1 / 14.2 / current : httpd (SSA:2019-022-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172085 (SUSE Enterprise Linux Security Update for apache2 (SUSE-SU-2019:0498-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121327) and SecurityFocus (BID 106742†). Similar entries are available at VDB-103521, VDB-108939, VDB-115057 and VDB-115038. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Expired
Class: Session fixiation / Expired
CWE: CWE-384
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121327
Nessus Name: Slackware 14.0 / 14.1 / 14.2 / current : httpd (SSA:2019-022-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2018 🔍
01/22/2019 +125 days 🔍
01/22/2019 +0 days 🔍
01/22/2019 +0 days 🔍
01/23/2019 +1 days 🔍
01/30/2019 +7 days 🔍
01/30/2019 +0 days 🔍
01/31/2019 +1 days 🔍
07/04/2023 +1615 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2019:3932
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-17199 (🔍)
GCVE (CVE): GCVE-0-2018-17199
GCVE (VulDB): GCVE-100-130330
SecurityFocus: 106742 - Apache HTTP Server CVE-2018-17199 Remote Security Vulnerability

See also: 🔍

Entryinfo

Created: 01/31/2019 13:02
Updated: 07/04/2023 08:26
Changes: 01/31/2019 13:02 (74), 05/06/2020 18:56 (6), 07/04/2023 08:26 (4)
Complete: 🔍
Cache ID: 216:254:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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