Revive Adserver up to 3.2.4/4.0.0 Username Control Character special elements into a different plane (special element injection)

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Revive Adserver up to 3.2.4/4.0.0 and classified as critical. Impacted is an unknown function of the component Username Handler. This manipulation as part of Control Character causes failure to sanitize special elements into a different plane (special element injection). This vulnerability appears as CVE-2016-9471. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Revive Adserver up to 3.2.4/4.0.0 (Advertising Software). Affected by this vulnerability is an unknown part of the component Username Handler. The manipulation as part of a Control Character leads to a failure to sanitize special elements into a different plane (special element injection) vulnerability. The CWE definition for the vulnerability is CWE-75. The product does not adequately filter user-controlled input for special elements with control implications. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Revive Adserver before 3.2.5 and 4.0.0 suffers from Special Element Injection. Usernames weren't properly sanitised when creating users on a Revive Adserver instance. Especially, control characters were not filtered, allowing apparently identical usernames to co-exist in the system, due to the fact that such characters are normally ignored when an HTML page is displayed in a browser. The issue could have therefore been exploited for user spoofing, although elevated privileges are required to create users within Revive Adserver.

The bug was discovered 09/28/2016. The weakness was presented 03/28/2017 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2016-9471 since 11/19/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 180 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.2.5 eliminates this vulnerability.

See VDB-98984 and VDB-98982 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Failure to sanitize special elements into a different plane (special element injection)
CWE: CWE-75 / CWE-707 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Adserver 3.2.5
Patch: github.com

Timelineinfo

09/28/2016 🔍
11/19/2016 +52 days 🔍
03/27/2017 +128 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
11/22/2022 +2065 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2016-9471 (🔍)
GCVE (CVE): GCVE-0-2016-9471
GCVE (VulDB): GCVE-100-98983
OSVDB: - CVE-2016-9471 - Revive Adserver - Spoofing Issue

See also: 🔍

Entryinfo

Created: 03/28/2017 22:17
Updated: 11/22/2022 17:35
Changes: 03/28/2017 22:17 (61), 08/23/2020 12:05 (2), 11/22/2022 17:35 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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