Multiple vulnerabilities in Dell NetWorker vProxy



Published: 2023-09-29
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2017-9765
CVE-2019-7659
CVE-2020-13576
CWE-ID CWE-20
CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Dell EMC NetWorker vProxy
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Dell

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU32076

Risk: High

CVSSv3.1: 7.1 [AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9765

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can execute arbitrary code or cause a denial of service (stack-based buffer overflow and application crash) via a large XML document, aka Devil's Ivy.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC NetWorker vProxy: before 19.9.0.2

External links

http://www.dell.com/support/kbdoc/nl-nl/000217446/dsa-2023-267-security-update-for-dell-networker-vproxy-gsoap-vulnerabilities


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 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.

2) Input validation error

EUVDB-ID: #VU17674

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7659

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to an error in the HTTP cookie-handling component of Genivia gSOA it is used with a server application with the -DWITH_COOKIES flag enabled. A remote attacker can send a request that submits malicious input and cause the application to unexpectedly abort.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC NetWorker vProxy: before 19.9.0.2

External links

http://www.dell.com/support/kbdoc/nl-nl/000217446/dsa-2023-267-security-update-for-dell-networker-vproxy-gsoap-vulnerabilities


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 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.

3) Integer overflow

EUVDB-ID: #VU49318

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13576

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in the WS-Addressing plugin functionality. A remote attacker can send a specially crafted SOAP request, trigger integer overflow and execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC NetWorker vProxy: before 19.9.0.2

External links

http://www.dell.com/support/kbdoc/nl-nl/000217446/dsa-2023-267-security-update-for-dell-networker-vproxy-gsoap-vulnerabilities


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 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.



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