Published: 2020-03-24

Description:
An exploitable denial-of-service vulnerability exists in the TXT record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing the RDATA section in a TXT record in mDNS messages, multiple integer overflows can be triggered, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore

5/10

2.9/10

10/10

Exploit range
Attack complexity
Authentication

Remote

Low

No required

Confidentiality impact
Integrity impact
Availability impact

None

None

Partial

 References:

https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996

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