VDB-65052 · CVE-2013-5959 · BID 62647

Bluecoat Proxysgos up to 6.5 href memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability classified as critical has been found in Bluecoat Proxysgos up to 6.5 (Firewall Software). Affected is an unknown functionality. The manipulation of the argument href with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

Blue Coat ProxySG before 6.2.14.1, 6.3.x, 6.4.x, and 6.5 before 6.5.2 allows remote attackers to cause a denial of service (memory consumption and dropped connections) via a recursive href in an HTML page, which triggers a large number of HTTP RW pipeline pre-fetch requests.

The weakness was disclosed 09/28/2013 (Website). The advisory is shared for download at kb.bluecoat.com. This vulnerability is traded as CVE-2013-5959 since 09/28/2013. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 70302 (Blue Coat ProxySG Recursive HTTP Pipeline Pre-Fetch Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls.

Upgrading to version 6.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (70302). The entry 10503 is pretty similar.

Productinfo

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Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70302
Nessus Name: Blue Coat ProxySG Recursive HTTP Pipeline Pre-Fetch Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Proxysgos 6.3

Timelineinfo

09/25/2013 🔍
09/28/2013 +3 days 🔍
09/28/2013 +0 days 🔍
09/28/2013 +0 days 🔍
09/28/2013 +0 days 🔍
10/04/2013 +6 days 🔍
10/14/2013 +10 days 🔍
03/24/2015 +526 days 🔍
01/08/2022 +2481 days 🔍

Sourcesinfo

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

CVE: CVE-2013-5959 (🔍)
SecurityTracker: 1029088
Vulnerability Center: 41880 - Blue Coat ProxySG Remote Denial of Service via a Recursive Href in an HTML Page, High
SecurityFocus: 62647
Secunia: 54991 - Blue Coat ProxySG / Security Gateway OS (SGOS) HTTP RW Pipeline Pre-fetch Requests Handli, Moderately Critical
OSVDB: 97767

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/08/2022 00:14
Changes: 03/24/2015 15:54 (64), 05/13/2017 09:52 (4), 01/08/2022 00:02 (3), 01/08/2022 00:14 (2)
Complete: 🔍

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