F5 BIG-IP up to 11.6.3/12.1.3/13.1.0 TMM HTTP Response input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in F5 BIG-IP up to 11.6.3/12.1.3/13.1.0. This vulnerability affects unknown code of the component TMM. This manipulation as part of HTTP Response causes input validation. This vulnerability appears as CVE-2018-5535. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.6.3/12.1.3/13.1.0 (Firewall Software). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component TMM. The manipulation as part of a HTTP Response leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

On F5 BIG-IP 13.0.0-13.1.0, 12.1.0-12.1.3, or 11.2.1-11.6.3 specifically crafted HTTP responses, when processed by a Virtual Server with an associated QoE profile that has Video enabled, may cause TMM to incorrectly buffer response data causing the TMM to restart resulting in a Denial of Service.

The bug was discovered 07/19/2018. The weakness was presented 07/19/2018 (Website). The advisory is shared at support.f5.com. This vulnerability is known as CVE-2018-5535 since 01/12/2018. 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 price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/25/2023).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371159 (F5 BIG-IP ASM TMM Denial Of Service Vulnerability (K19634255)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-121994, VDB-121992, VDB-121991 and VDB-121990 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Input validation
CWE: CWE-20
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

01/12/2018 🔍
07/19/2018 +187 days 🔍
07/19/2018 +0 days 🔍
07/19/2018 +0 days 🔍
07/20/2018 +1 days 🔍
04/25/2023 +1740 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K19634255
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5535 (🔍)
GCVE (CVE): GCVE-0-2018-5535
GCVE (VulDB): GCVE-100-121993
SecurityTracker: 1041344

See also: 🔍

Entryinfo

Created: 07/20/2018 09:00
Updated: 04/25/2023 06:32
Changes: 07/20/2018 09:00 (60), 03/08/2020 20:39 (2), 04/25/2023 06:32 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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