Blue Coat ProxySG up to 5.4.1.1 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Blue Coat ProxySG up to 5.4.1.1. It has been classified as critical. This affects an unknown part. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2011-5124. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in Blue Coat ProxySG up to 5.4.1.1 (Firewall Software) and classified as very critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the BCAAA component before build 60258, as used by Blue Coat ProxySG 4.2.3 through 6.1 and ProxyOne, allows remote attackers to execute arbitrary code via a large packet to the synchronization port (16102/tcp).

The weakness was published 08/26/2012 (Website). The advisory is shared for download at kb.bluecoat.com. This vulnerability is handled as CVE-2011-5124 since 08/26/2012. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/24/2025).

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 68928 (Blue Coat Authentication and Authorization Agent Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

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

The vulnerability is also documented in the databases at Exploit-DB (17513), Tenable (68928), SecurityFocus (BID 77841†) and Vulnerability Center (SBV-40646†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.6

VulDB Base Score: 10.0
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68928
Nessus Name: Blue Coat Authentication and Authorization Agent Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

MetaSploit ID: bcaaa_bof.rb
MetaSploit Name: Blue Coat Authentication and Authorization Agent (BCAAA) 5 Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

07/09/2011 🔍
08/26/2012 +414 days 🔍
08/26/2012 +0 days 🔍
08/26/2012 +0 days 🔍
07/17/2013 +325 days 🔍
07/22/2013 +5 days 🔍
03/23/2015 +609 days 🔍
05/24/2025 +3715 days 🔍

Sourcesinfo

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

CVE: CVE-2011-5124 (🔍)
GCVE (CVE): GCVE-0-2011-5124
GCVE (VulDB): GCVE-100-61880
SecurityFocus: 77841
Vulnerability Center: 40646 - BlueCoat ProxySG 4.2.3 - 6.1 and BCAAA <60258 Remote Code Execution via Large Packet to Synchronization Port 16102, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/23/2015 04:50 PM
Updated: 05/24/2025 02:56 PM
Changes: 03/23/2015 04:50 PM (60), 01/10/2018 02:24 PM (5), 12/12/2021 02:33 PM (2), 05/24/2025 02:56 PM (22)
Complete: 🔍
Cache ID: 18:2F2:40

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