CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
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.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 70302
Nessus Name: Blue Coat ProxySG Recursive HTTP Pipeline Pre-Fetch Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Proxysgos 6.3
Timeline
09/25/2013 🔍09/28/2013 🔍
09/28/2013 🔍
09/28/2013 🔍
09/28/2013 🔍
10/04/2013 🔍
10/14/2013 🔍
03/24/2015 🔍
01/08/2022 🔍
Sources
Advisory: kb.bluecoat.comStatus: 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: 🔍
Entry
Created: 03/24/2015 15:54Updated: 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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