XStream up to 1.4.9 xstream.fromXML input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in XStream up to 1.4.9. This vulnerability affects the function xstream.fromXML. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2017-7957. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in XStream up to 1.4.9. Affected by this issue is the function xstream.fromXML. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML("<void/>") call.

The bug was discovered 04/19/2017. The weakness was published 04/29/2017 (Website). The advisory is available at x-stream.github.io. This vulnerability is handled as CVE-2017-7957 since 04/19/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99919 (Debian DLA-930-1 : libxstream-java security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370592 (XStream Unmarshalling VOID Denial Of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99919) and SecurityFocus (BID 100687†). Similar entry is available at VDB-107869. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99919
Nessus Name: Debian DLA-930-1 : libxstream-java security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703841
OpenVAS Name: Debian Security Advisory DSA 3841-1 (libxstream-java - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

04/19/2017 🔍
04/19/2017 +0 days 🔍
04/29/2017 +10 days 🔍
04/29/2017 +0 days 🔍
04/30/2017 +1 days 🔍
05/01/2017 +1 days 🔍
05/02/2017 +1 days 🔍
09/07/2017 +128 days 🔍
05/23/2025 +2815 days 🔍

Sourcesinfo

Advisory: RHSA-2017:1832
Researcher: IBM
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7957 (🔍)
GCVE (CVE): GCVE-0-2017-7957
GCVE (VulDB): GCVE-100-100730

OVAL: 🔍

X-Force: 125800
SecurityFocus: 100687 - IBM QRadar SIEM CVE-2017-7957 Denial of Service Vulnerability
SecurityTracker: 1039499

See also: 🔍

Entryinfo

Created: 04/30/2017 10:27
Updated: 05/23/2025 19:44
Changes: 04/30/2017 10:27 (73), 12/30/2019 08:15 (7), 12/22/2020 09:05 (4), 12/22/2020 09:10 (1), 12/02/2022 14:02 (3), 05/23/2025 19:44 (17)
Complete: 🔍
Cache ID: 216:7FC:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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