| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apache Tomcat. It has been classified as problematic. The affected element is an unknown function of the component HTTPS Request Handler. This manipulation causes data processing. This vulnerability is handled as CVE-2017-6056. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in Apache Tomcat (Application Server Software) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component HTTPS Request Handler. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect availability. The summary by CVE is:
It was discovered that a programming error in the processing of HTTPS requests in the Apache Tomcat servlet and JSP engine may result in denial of service via an infinite loop. The denial of service is easily achievable as a consequence of backporting a CVE-2016-6816 fix but not backporting the fix for Tomcat bug 57544. Distributions affected by this backporting issue include Debian (before 7.0.56-3+deb8u8 and 8.0.14-1+deb8u7 in jessie) and Ubuntu.
The bug was discovered 02/16/2017. The weakness was released 02/17/2017 with Apache (Website). The advisory is shared at bugs.debian.org. This vulnerability is known as CVE-2017-6056 since 02/16/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 97150 (Debian DLA-823-2 : tomcat7 regression update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196700 (Ubuntu Security Notification for Tomcat6, Tomcat7 Vulnerability (USN-3204-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (97150), SecurityFocus (BID 96293†) and SecurityTracker (ID 1037860†). Entry connected to this vulnerability is available at VDB-143564. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Data processingCWE: CWE-19
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 97150
Nessus Name: Debian DLA-823-2 : tomcat7 regression update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for tomcat7 USN-3204-1
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
02/15/2017 🔍02/16/2017 🔍
02/16/2017 🔍
02/17/2017 🔍
02/17/2017 🔍
02/17/2017 🔍
02/17/2017 🔍
02/21/2017 🔍
02/22/2017 🔍
08/25/2024 🔍
Sources
Vendor: apache.orgAdvisory: bugs.debian.org
Organization: Apache
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-6056 (🔍)
GCVE (CVE): GCVE-0-2017-6056
GCVE (VulDB): GCVE-100-97081
OVAL: 🔍
SecurityFocus: 96293 - Apache Tomcat 'http11/AbstractInputBuffer.java' Denial of Service Vulnerability
OSVDB: - CVE-2017-6056 - Apache - Tomcat - Denial of Service Issue
SecurityTracker: 1037860
See also: 🔍
Entry
Created: 02/17/2017 16:12Updated: 08/25/2024 13:44
Changes: 02/17/2017 16:12 (77), 09/02/2020 11:15 (7), 08/25/2024 13:44 (18)
Complete: 🔍
Cache ID: 216:840:103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

No comments yet. Languages: en.
Please log in to comment.