|Number of vulnerabilities||1|
Cisco AsyncOS for Cisco Email Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers
|Vendor||Cisco Systems, Inc|
This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to inadequate parsing mechanisms for specific email body components in the email message scanning feature. A remote attacker can send a malicious email containing a high number of shortened URLs through an affected device, trigger resource exhaustion and perform a denial of service (DoS) attack.Mitigation
Install update from vendor's website.Vulnerable software versions
Cisco AsyncOS for Cisco Email Security Appliance: before 13.0.0 375, 12.5.1 037
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.