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Host Agent CVE-2023-27498

HIGH
Stack-based Buffer Overflow (CWE-121)
2023-03-14 cna@sap.com
7.2
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

SAP Host Agent (SAPOSCOL) - version 7.22, allows an unauthenticated attacker with network access to a server port assigned to the SAP Start Service to submit a crafted request which results in a. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-121. SAP Host Agent (SAPOSCOL) - version 7.22, allows an unauthenticated attacker with network access to a server port assigned to the SAP Start Service to submit a crafted request which results in a memory corruption error. This error can be used to reveal but not modify any technical information about the server. It can also make a particular service temporarily unavailable Affected products include: Sap Host Agent. Version information: version 7.22.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
Low

DescriptionNVD

SAP Host Agent (SAPOSCOL) - version 7.22, allows an unauthenticated attacker with network access to a server port assigned to the SAP Start Service to submit a crafted request which results in a memory corruption error. This error can be used to reveal but not modify any technical information about the server. It can also make a particular service temporarily unavailable

Threat Intelligence Overview

EPSS Score
0.5%
Top 58% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.

Affected Products (CPE)NVD

cpe:2.3:a:sap:host_agent:7.22:*:*:*:*:*:*:*
CVE-2016-8610 HIGH
7.5 Nov 13

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL proto

CVE-2015-8960 HIGH POC
8.1 Sep 21

The TLS protocol 1.2 and earlier supports the rsa_fixed_dh, dss_fixed_dh, rsa_fixed_ecdh, and ecdsa_fixed_ecdh values fo

CVE-2023-40309 CRITICAL
9.8 Sep 12

SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization

CVE-2022-29614 MEDIUM POC
5.0 Jun 14

SAP startservice - of SAP NetWeaver Application Server ABAP, Application Server Java, ABAP Platform and HANA Database -

CVE-2022-35295 MEDIUM POC
4.9 Sep 13

In SAP Host Agent (SAPOSCOL) - version 7.22, an attacker may use files created by saposcol to escalate privileges for th

CVE-2023-24523 HIGH
8.8 Feb 14

An attacker authenticated as a non-admin user with local access to a server port assigned to the SAP Host Agent (Start S

CVE-2017-15297 HIGH
7.5 Oct 16

SAP Hostcontrol does not require authentication for the SOAP SAPControl endpoint. Rated high severity (CVSS 7.5), this v

CVE-2023-40308 HIGH
7.5 Sep 12

SAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a

CVE-2020-6186 HIGH
7.5 Feb 12

SAP Host Agent, version 7.21, allows an attacker to cause a slowdown in processing of username/password-based authentica

CVE-2020-6234 HIGH
7.2 Apr 14

SAP Host Agent, version 7.21, allows an attacker with admin privileges to use the operation framework to gain root privi

CVE-2024-47595 HIGH
7.1 Nov 12

An attacker who gains local membership to sapsys group could replace local files usually protected by privileged access.

CVE-2023-0012 MEDIUM
6.7 Jan 10

In SAP Host Agent (Windows) - versions 7.21, 7.22, an attacker who gains local membership to SAP_LocalAdmin could be abl

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