Headline
CVE-2022-36969: ZDI-22-1128
This vulnerability allows remote attackers to disclose sensitive information on affected installations of AVEVA Edge 2020 SP2 Patch 0(4201.2111.1802.0000). User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the LoadImportedLibraries method. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of the current process. Was ZDI-CAN-17394.
August 23rd, 2022
AVEVA Edge LoadImportedLibraries XML External Entity Processing Information Disclosure Vulnerability****ZDI-22-1128
ZDI-CAN-17394
CVE ID
CVE-2022-36969
CVSS SCORE
5.5, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
AFFECTED VENDORS
AVEVA
AFFECTED PRODUCTS
Edge
VULNERABILITY DETAILS
This vulnerability allows remote attackers to disclose sensitive information on affected installations of AVEVA Edge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the LoadImportedLibraries method. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of the current process.
ADDITIONAL DETAILS
AVEVA has issued an update to correct this vulnerability. More details can be found at:
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2022-005.pdf
DISCLOSURE TIMELINE
- 2022-05-17 - Vulnerability reported to vendor
- 2022-08-23 - Coordinated public release of advisory
CREDIT
Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative
BACK TO ADVISORIES
Related news
SolarWinds Platform was susceptible to the Deserialization of Untrusted Data. This vulnerability allows a remote adversary with Orion admin-level account access to SolarWinds Web Console to execute arbitrary commands.
SolarWinds Platform was susceptible to the Deserialization of Untrusted Data. This vulnerability allows a remote adversary with Orion admin-level account access to SolarWinds Web Console to execute arbitrary commands.