Apache HTTP Server on RHEL IP Address Filter input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Apache HTTP Server on RHEL. The affected element is an unknown function of the component IP Address Filter. The manipulation results in input validation. This vulnerability is reported as CVE-2017-12171. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Apache HTTP Server on RHEL (Web Server) (affected version unknown). It has been classified as critical. Affected is an unknown functionality of the component IP Address Filter. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 10/19/2017. The weakness was disclosed 10/19/2017 as RHSA-2017:2972 as confirmed security advisory (Website). The advisory is shared for download at access.redhat.com. This vulnerability is traded as CVE-2017-12171 since 08/01/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 104007 (Scientific Linux Security Update : httpd on SL6.x i386/x86_64 (Optionsbleed)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Scientific Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 256322 (CentOS Security Update for httpd (CESA-2017:2972)).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (104007), SecurityFocus (BID 101516†) and SecurityTracker (ID 1039633†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 104007
Nessus Name: Scientific Linux Security Update : httpd on SL6.x i386/x86_64 (Optionsbleed)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 881932
OpenVAS Name: CentOS Update for httpd CESA-2017:2972 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
08/01/2017 🔍10/19/2017 🔍
10/19/2017 🔍
10/19/2017 🔍
10/19/2017 🔍
10/20/2017 🔍
10/20/2017 🔍
10/21/2017 🔍
07/26/2018 🔍
01/19/2021 🔍
Sources
Vendor: apache.orgAdvisory: RHSA-2017:2972
Researcher: KAWAHARA Masashi
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-12171 (🔍)
GCVE (CVE): GCVE-0-2017-12171
GCVE (VulDB): GCVE-100-108312
SecurityFocus: 101516 - Apache HTTP Server CVE-2017-12171 Security Bypass Vulnerability
SecurityTracker: 1039633
Entry
Created: 10/21/2017 14:49Updated: 01/19/2021 12:48
Changes: 10/21/2017 14:49 (78), 11/27/2019 19:20 (5), 01/19/2021 12:37 (2), 01/19/2021 12:43 (1), 01/19/2021 12:48 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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