ID
VAR-201801-1869
TITLE
Advantech WebAccess webvrpcs drawsrv Arbitrary Free Remote Code Execution Vulnerability
Trust: 0.7
DESCRIPTION
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. Authentication is not required to exploit this vulnerability.The specific flaw exists within the implementation of the 0x2721 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to using it as a memory address in a free operation. An attacker can leverage this functionality to execute code under the context of Administrator.
Trust: 0.7
AFFECTED PRODUCTS
| vendor: | advantech | model: | webaccess | scope: | - | version: | - | Trust: 0.7 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | ||||||||||||||||||||||||||||||||||||||||||
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PATCH
| title: | Advantech has issued an update to correct this vulnerability. | url: | https://ics-cert.us-cert.gov/advisories/icsa-18-004-02 | Trust: 0.7 |
EXTERNAL IDS
| db: | ZDI_CAN | id: | ZDI-CAN-5066 | Trust: 0.7 |
| db: | ZDI | id: | ZDI-18-063 | Trust: 0.7 |
REFERENCES
| url: | https://ics-cert.us-cert.gov/advisories/icsa-18-004-02 | Trust: 0.7 |
CREDITS
Steven Seeley (mr_me) of Offensive Security
Trust: 0.7
SOURCES
| db: | ZDI | id: | ZDI-18-063 |
LAST UPDATE DATE
2022-05-17T01:52:35.867000+00:00
SOURCES UPDATE DATE
| db: | ZDI | id: | ZDI-18-063 | date: | 2018-01-05T00:00:00 |
SOURCES RELEASE DATE
| db: | ZDI | id: | ZDI-18-063 | date: | 2018-01-05T00:00:00 |