A vulnerability classified as critical was found in Cisco Cloud Web Security up to 3.0.1.6 (Anti-Malware Software). Affected by this vulnerability is an unknown code of the component Filter. The manipulation as part of a HTTP Method leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cisco Cloud Web Security before 3.0.1.7 allows remote attackers to bypass intended filtering protection mechanisms by leveraging improper handling of HTTP methods, aka Bug ID CSCut69743.

The bug was discovered 04/06/2015. The weakness was released 09/19/2017 as 38221 as confirmed vulnerability alert (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-0689 since 01/07/2015. The exploitation appears to be easy. 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 vulnerability was handled as a non-public zero-day exploit for at least 897 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 3.0.1.7 eliminates this vulnerability.

Productinfo

Type

• Anti-Malware Software

Vendor

• Cisco

Name

• Cloud Web Security

Version

• 3.0.1.0
• 3.0.1.1
• 3.0.1.2
• 3.0.1.3
• 3.0.1.4
• 3.0.1.5
• 3.0.1.6

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion