VDB-134278 · CVE-2019-3930 · Qualys 13484

Crestron AM-100/AM-101 libAwgCgi.so PARSERtoCHAR memory corruption

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CVSS Meta Temp Score
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9.7$0-$5k0.00

A vulnerability was found in Crestron AM-100 and AM-101. It has been declared as very critical. This vulnerability affects the function PARSERtoCHAR of the file libAwgCgi.so. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W before firmware 2.4.1.19, Extron ShareLink 200/250 firmware 2.0.3.4, Teq AV IT WIPS710 firmware 1.1.0.7, SHARP PN-L703WA firmware 1.4.2.3, Optoma WPS-Pro firmware 1.0.0.5, Blackbox HD WPS firmware 1.0.0.5, InFocus LiteShow3 firmware 1.0.16, and InFocus LiteShow4 2.0.0.7 are vulnerable to a stack buffer overflow in libAwgCgi.so's PARSERtoCHAR function. A remote, unauthenticated attacker can use this vulnerability to execute arbitrary code as root via a crafted request to the return.cgi endpoint.

The bug was discovered 05/01/2019. The weakness was presented 04/30/2019. This vulnerability was named CVE-2019-3930 since 01/03/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/05/2020).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13484 (Crestron AM-100 and AM-101 Multiple Vulnerabilities).

Proper firewalling of is able to address this issue.

See 134273, 134274, 134275 and 134276 for similar entries.

Affectededit

  • Crestron AM-100 1.6.0.2
  • Crestron AM-101 2.7.0.1
  • Barco wePresent WiPG-1000P 2.3.0.10
  • Barco wePresent WiPG-1600W 2.4.1
  • Extron ShareLink 200/Extron ShareLink 200 250 2.0.3.4
  • Teq AV IT WIPS710 1.1.0.7
  • SHARP PN-L703WA 1.4.2.3
  • Optoma WPS-Pro 1.0.0.5
  • Blackbox HD WPS 1.0.0.5
  • InFocus LiteShow3 1.0.16
  • InFocus LiteShow4 2.0.0.7

Productinfoedit

Vendor

Name

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CVSSv3infoedit

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7

VulDB Base Score: 10.0
VulDB Temp Score: 9.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

01/03/2019 🔍
04/30/2019 +117 days 🔍
05/01/2019 +1 days 🔍
05/01/2019 +0 days 🔍
06/05/2020 +401 days 🔍

Sourcesinfoedit

Status: Confirmed

CVE: CVE-2019-3930 (🔍)
See also: 🔍

Entryinfoedit

Created: 05/01/2019 02:07 PM
Updated: 06/05/2020 11:24 AM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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