SAP Sybase Adaptive Server Enterprise 15.7 ESD 2 XML External Entity XMLParse code injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in SAP Sybase Adaptive Server Enterprise 15.7 ESD 2. This affects the function XMLParse of the component XML External Entity Handler. The manipulation with the input SELECT xmlextract results in code injection. This vulnerability was named CVE-2013-6025. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in SAP Sybase Adaptive Server Enterprise 15.7 ESD 2. Affected is the function XMLParse of the component XML External Entity Handler. The manipulation with the input value SELECT xmlextract leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality. CVE summarizes:

The XMLParse procedure in SAP Sybase Adaptive Server Enterprise (ASE) 15.7 ESD 2 allows remote authenticated users to read arbitrary files via a SQL statement containing an XML document with an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

The weakness was presented 10/01/2013 by Igor Bulatenko as VU#303900 as confirmed advisory (Website). The advisory is shared for download at kb.cert.org. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2013-6025 since 10/04/2013. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.

A public exploit has been developed in XML and been published immediately after the advisory. The exploit is shared for download at kb.cert.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 266 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 70973 (SAP Sybase Adaptive Server Enterprise Information Disclosure (SAP Note 1887341)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at sybase.com. It is possible to mitigate the problem by applying the configuration setting Disable XXE. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (88105), Tenable (70973), SecurityFocus (BID 63193†), OSVDB (98655†) and Secunia (SA55377†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70973
Nessus Name: SAP Sybase Adaptive Server Enterprise Information Disclosure (SAP Note 1887341)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: sybase.com
Config: Disable XXE

Timelineinfo

01/08/2013 🔍
10/01/2013 +266 days 🔍
10/01/2013 +0 days 🔍
10/04/2013 +3 days 🔍
10/15/2013 +11 days 🔍
10/17/2013 +2 days 🔍
10/18/2013 +1 days 🔍
10/18/2013 +0 days 🔍
10/19/2013 +1 days 🔍
10/27/2013 +8 days 🔍
11/20/2013 +24 days 🔍
12/07/2024 +4035 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: VU#303900
Researcher: Igor Bulatenko
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-6025 (🔍)
GCVE (CVE): GCVE-0-2013-6025
GCVE (VulDB): GCVE-100-10848
CERT: 🔍
X-Force: 88105
SecurityFocus: 63193
Secunia: 55377 - Sybase Adaptive Server Enterprise "xmlparse()" XML External Entities Information, Less Critical
OSVDB: 98655
SecurityTracker: 1029208
Vulnerability Center: 42107 - SAP Sybase Adaptive Server Enterprise (ASE) 15.7 ESD 2 Remote XML Injection Vulnerability Related to XML External Entity, Medium

scip Labs: https://www.scip.ch/en/?labs.20150716

Entryinfo

Created: 10/18/2013 18:02
Updated: 12/07/2024 17:34
Changes: 10/18/2013 18:02 (82), 05/14/2017 09:47 (3), 05/31/2021 14:03 (4), 05/31/2021 14:09 (1), 12/07/2024 17:34 (15)
Complete: 🔍
Cache ID: 216:EAF:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!