Geocall: XML Injection
CVE-2022-22834 is a high-severity XML injection vulnerability in Geocall from Overit, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 8.0 as the first without the flaw, so updating Geocall to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 3.49% chance of exploitation within 30 days, higher than 89% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Geocall to 8.0 or a later version.
- Read the advisory on overit.us for workarounds and exact fixed builds.
Affected products and versions
Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.8 | High | NVD |
| CVSS 2.0 | 6.0 | Medium | NVD |
Official description
An issue was discovered in OverIT Geocall before 8.0. An authenticated user who has the Test Trasformazione XSL functionality enabled can exploit a XSLT Injection vulnerability. Attackers could exploit this issue to achieve remote code execution.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: XML Injection
The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Advisories
- overit.us/products/geocall/Product
Third-party and government advisories
- labs.yarix.com/advisories/cve-2022-22834/Third Party Advisory
Technical write-ups (may include proof of concept)
- labs.yarix.com/2022/03/overit-framework-xslt-injection-and-xxe-cve-2022-22834-cve-2022-22835/Exploit, Third Party Advisory
Other references
Recent XML Injection vulnerabilities
- 9.8 Critical severity
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