VDB-89143 · CVE-2016-5774 · BID 91455

Blue Coat PacketShaper up to 11.5.3.1 HTTPS Server cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Blue Coat PacketShaper up to 11.5.3.1. It has been classified as problematic. Affected is an unknown function of the component HTTPS Server. This manipulation causes cryptographic issue. This vulnerability appears as CVE-2016-5774. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Blue Coat PacketShaper up to 11.5.3.1. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component HTTPS Server. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The HTTPS server in Blue Coat PacketShaper S-Series 11.5.x before 11.5.3.2 might allow remote attackers to obtain sensitive credentials and other information via unspecified vectors, related to use of insecure cryptographic parameters.

The weakness was presented 07/12/2016 (Website). It is possible to read the advisory at bto.bluecoat.com. This vulnerability is known as CVE-2016-5774 since 06/23/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading to version 11.5.3.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91455†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Cryptographic issue
CWE: CWE-310
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PacketShaper 11.5.3.2

Timelineinfo

06/23/2016 🔍
06/24/2016 +1 days 🔍
07/12/2016 +18 days 🔍
07/12/2016 +0 days 🔍
07/13/2016 +1 days 🔍
02/23/2019 +955 days 🔍

Sourcesinfo

Advisory: bto.bluecoat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5774 (🔍)
GCVE (CVE): GCVE-0-2016-5774
GCVE (VulDB): GCVE-100-89143
SecurityFocus: 91455 - Blue Coat PacketShaper S-Series Man in the Middle Security Bypass Vulnerability

Entryinfo

Created: 07/13/2016 10:47
Updated: 02/23/2019 08:40
Changes: 07/13/2016 10:47 (50), 02/23/2019 08:40 (13)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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