CVE-2020-5761

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://www.tenable.com/security/research/tra-2020-43	Exploit Third Party Advisory
https://www.tenable.com/security/research/tra-2020-47	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht812:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht814:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht818:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:grandstream:ht813_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ht813:-:*:*:*:*:*:*:*

Information

Published : 2020-07-29 12:15

Updated : 2020-07-31 11:08

NVD link : CVE-2020-5761

Mitre link : CVE-2020-5761

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

grandstream

ht812_firmware
ht801_firmware
ht813_firmware
ht802_firmware
ht801
ht812
ht813
ht818_firmware
ht814_firmware
ht802
ht814
ht818

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