1) Buffer overflow

Risk: High

CVSSv3:
8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2021-1300

CWE-ID:
CWE-119 – Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability:
No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to incorrect handling of IP traffic. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor’s website.

Vulnerable software versions

Cisco SD-WAN: 18.3.0, 18.4.0, 19.2.0, 19.3.0, 20.1.0, 20.3.0, 20.4.0

Cisco IOS XE SD-WAN: 16.9, 16.10, 16.11, 16.12

Cisco IOS XE: 17.2, 17.3, 17.4

Cisco SD-WAN vBond Orchestrator: All versions

Cisco SD-WAN vEdge Cloud Router: All versions

Cisco SD-WAN vEdge Routers: All versions

Cisco SD-WAN vManage: All versions

Cisco SD-WAN vSmart Controller: All versions

CPE

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-bufovulns-B5NrSHbj

Q & A

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 trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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

2) Buffer overflow

Risk: Medium

CVSSv3:
5.7 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2021-1301

CWE-ID:
CWE-119 – Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability:
No

Description


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


The vulnerability exists due to a boundary error in the NETCONF subsystem. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor’s website.

Vulnerable software versions

Cisco SD-WAN: 18.3.0, 18.4.0, 19.2.0, 19.3.0, 20.1.0, 20.3.0, 20.4.0

Cisco IOS XE SD-WAN: 16.9, 16.10, 16.11, 16.12

Cisco IOS XE: 17.2, 17.3, 17.4

Cisco SD-WAN vBond Orchestrator: All versions

Cisco SD-WAN vEdge Cloud Router: All versions

Cisco SD-WAN vEdge Routers: All versions

Cisco SD-WAN vManage: All versions

Cisco SD-WAN vSmart Controller: All versions

CPE

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-bufovulns-B5NrSHbj

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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



Source link

Is your business effected by Cyber Crime?

If a cyber crime or cyber attack happens to you, you need to respond quickly. Cyber crime in its several formats such as online identity theft, financial fraud, stalking, bullying, hacking, e-mail fraud, email spoofing, invoice fraud, email scams, banking scam, CEO fraud. Cyber fraud can lead to major disruption and financial disasters. Contact Digitpol’s hotlines or respond to us online.

Digitpol’s Cyber Crime Investigation Unit provides investigative support to victims of cyber crimes. Digitpol is available 24/7. https://digitpol.com/cybercrime-investigation/

Europe +31558448040
UK +44 20 8089 9944
ASIA +85239733884