F5 BIG-IP up to 11.5.5/11.6.2/12.1.2 SPDY/HTTP/2 Request data processing

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in F5 BIG-IP up to 11.5.5/11.6.2/12.1.2. This affects an unknown function of the component SPDY/HTTP2 Handler. Such manipulation as part of Request leads to data processing. This vulnerability is listed as CVE-2017-6155. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.5.5/11.6.2/12.1.2 (Firewall Software) and classified as problematic. Affected by this issue is an unknown part of the component SPDY/HTTP2 Handler. The manipulation as part of a Request leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is availability. CVE summarizes:

On F5 BIG-IP 13.0.0, 12.0.0-12.1.3.1, 11.6.0-11.6.2, 11.4.1-11.5.5, or 11.2.1, malformed SPDY or HTTP/2 requests may result in a disruption of service to TMM. Data plane is only exposed when a SPDY or HTTP/2 profile is attached to a virtual server. There is no control plane exposure.

The bug was discovered 04/13/2018. The weakness was presented 04/13/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2017-6155 since 02/21/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118628 (F5 Networks BIG-IP : TMM vulnerability (K10930474)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370898 (F5 BIG-IP ASM SPDY or HTTP/2 Requests Denial of Service Vulnerability (K10930474)).

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 vulnerability database at Tenable (118628). See VDB-116170, VDB-116167, VDB-116166 and VDB-116169 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
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: 118628
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K10930474)
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

02/21/2017 🔍
04/12/2018 +415 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/16/2018 +3 days 🔍
11/02/2018 +200 days 🔍
02/28/2023 +1579 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K10930474
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6155 (🔍)
GCVE (CVE): GCVE-0-2017-6155
GCVE (VulDB): GCVE-100-116168
See also: 🔍

Entryinfo

Created: 04/16/2018 09:27
Updated: 02/28/2023 07:03
Changes: 04/16/2018 09:27 (63), 01/24/2020 21:31 (8), 02/28/2023 07:03 (4)
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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