Apsis Pound up to 2.7 Header request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apsis Pound up to 2.7 and classified as critical. This affects an unknown part of the component Header Handler. The manipulation results in request smuggling. This vulnerability is known as CVE-2016-10711. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apsis Pound up to 2.7. Affected is an unknown code of the component Header Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. CWE is classifying the issue as CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Apsis Pound before 2.8a allows request smuggling via crafted headers, a different vulnerability than CVE-2005-3751.

The bug was discovered 10/23/2016. The weakness was published 01/29/2018 (Website). The advisory is shared for download at apsis.ch. This vulnerability is traded as CVE-2016-10711 since 01/29/2018. The exploitability is told to be easy. 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 was handled as a non-public zero-day exploit for at least 463 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106666 (openSUSE Security Update : pound (openSUSE-2018-143)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170847 (OpenSUSE Security Update for pound (openSUSE-SU-2018:0394-1)).

Upgrading to version 2.8a eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106666). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
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

Class: Request smuggling
CWE: CWE-444
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: 106666
Nessus Name: openSUSE Security Update : pound (openSUSE-2018-143)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841131
OpenVAS Name: Debian Lts Announce DLA 1280-1 ([SECURITY] [DLA 1280-1] pound security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Pound 2.8a

Timelineinfo

10/23/2016 🔍
01/29/2018 +463 days 🔍
01/29/2018 +0 days 🔍
01/29/2018 +0 days 🔍
01/30/2018 +1 days 🔍
02/08/2018 +9 days 🔍
02/08/2018 +0 days 🔍
02/03/2023 +1821 days 🔍

Sourcesinfo

Advisory: DLA 1280-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10711 (🔍)
GCVE (CVE): GCVE-0-2016-10711
GCVE (VulDB): GCVE-100-112620

Entryinfo

Created: 01/30/2018 08:03
Updated: 02/03/2023 09:09
Changes: 01/30/2018 08:03 (73), 12/31/2019 10:01 (3), 02/03/2023 09:09 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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