The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity
Low
AC
The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required
None
PR
The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction
None
UI
The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
None
C
There is no impact on the confidentiality of the system; the attacker does not gain the ability to read any data.
Integrity
Low
I
Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system.
Availability
None
A
There is no impact on the availability of the system; the attacker does not have the ability to disrupt access to or use of the system.
Below is a copy: SAP Solution Manager 7.2 File Disclosure / Denial Of Service
# Onapsis Security Advisory 2021-0010: File exfiltration and DoS in
SolMan End-User Experience Monitoring
## Impact on Business
The End-User Experience Monitoring (EEM) application, part of the SAP
Solution Manager, is vulnerable to path traversal. As a consequence, an
unauthorized attacker would be able to read sensitive OS files and affect
the availability of the EEM robots connected to the SolMan.
## Advisory Information
- Public Release Date: 06/14/2021
- Security Advisory ID: ONAPSIS-2021-0010
- Researchers: Gonzalo Roisman, Pablo Artuso
## Vulnerability Information
- Vendor: SAP
- Affected Components:
- SAP Solution Manager 7.2
(Check SAP Note #2983204 for detailed information on affected releases)
- Vulnerability Class: [CWE-23] Relative Path Traversal
- CVSS v3 score: 8.5 (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L)
- Risk Level: High
- Assigned CVE: CVE-2020-26837
- Vendor patch Information: SAP Security NOTE #2983204
## Affected Components Description
SAP SolMan 7.2 introduces a bunch of web services which run on top of
the SAP Java
NetWeaver stack. The affected versions have a vulnerable web service exposed.
Affected components:
* Solman 7.20
* Solman Java Stack NW 7.5
* LM-SERVICE: 1000.7.20.9.14.20200731160700
(Check SAP Note #2983204 for detailed information on affected releases)
## Vulnerability Details
The main objective of the End-user Enterprise Monitoring (EEM) app is
to upload scripts
which will mimic user actions in order to be able to automatically perform
different kinds of tests.
In order to develop and upload the aforementioned scripts, a
proprietary language has to be used.
The lack of sanitization in a specific functionality provided by this
proprietary language,
allows a malicious user to perform path traversal attacks. Due to
these scripts being executed
by the EEM robots (by default, SMD Agents), the attacker could
exfiltrate files containing
sensitive information from the SMDAgents. Furthermore, attacks which
affect the availability
of some services from the SMDAgents, could be carried out by
exploiting this same vulnerability.
## Solution
SAP has released SAP Note #2983204 which provide patched versions of the
affected components.
The patches can be downloaded
fromhttps://launchpad.support.sap.com/#/notes/2983204.
Onapsis strongly recommends SAP customers to download the related
security fixes and apply them to the affected components in order to
reduce business risks.
## Report Timeline
- 10/05/2020 - Onapsis sends details to SAP
- 10/05/2020 - SAP provides tracking id.
- 10/12/2020 - SAP provides update: "Fix in progress"
- 11/09/2020 - SAP provides update: "In process"
- 11/30/2020 - SAP proposes to split the original submission into two
different vulnerabilities.
- 12/02/2020 - Onapsis agrees to split the submission.
- 12/08/2020 - SAP releases note.
## References
- Onapsis blogpost: https://onapsis.com/blog/sap-security-notes-december-2020
- CVE Mitre: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26837
- Vendor Patch: https://launchpad.support.sap.com/#/notes/2983204.
## About Onapsis Research Labs
Onapsis Research Labs provides the industry analysis of key security
issues that impact business-critical systems and applications.
Delivering frequent and timely security and compliance advisories with
associated risk levels, Onapsis Research Labs combine in-depth knowledge
and experience to deliver technical and business-context with sound
security judgment to the broader information security community.
Find all reported vulnerabilities at
https://github.com/Onapsis/vulnerability_advisories
## About Onapsis, Inc.
Onapsis protects the mission-critical applications that run the global economy,
from the core to the cloud. The Onapsis Platform uniquely delivers actionable
insight, secure change, automated governance and continuous monitoring
for critical
systemsERP, CRM, PLM, HCM, SCM and BI applicationsfrom leading
vendors such as SAP,
Oracle, Salesforce and others, while keeping them protected and compliant.
For more information, connect with us on Twitter or LinkedIn, or visit
us athttps://www.onapsis.com.
## License
This advisory is licensed under a [Creative Commons 4.0 BY-ND
International License](https://creativecommons.org/licenses/by-nd/4.0/legalcode)
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