Vulnerability identifier: #VU32457

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2015-1030

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
privoxy
Server applications / Web servers

Vendor: privoxy

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the rfc2553_connect_to function in jbsocket.c in Privoxy before 3.0.22 allows remote attackers to cause a denial of service (memory consumption) via a large number of requests that are rejected because the socket limit is reached. A remote attacker can perform a denial of service attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

privoxy: 3.0.21 - 3.0.28

---

External links
http://secunia.com/advisories/62123
http://www.openwall.com/lists/oss-security/2015/01/11/1
http://www.privoxy.org/announce.txt

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.