RTMPDump 2.4 RTMP Media amf.c AMF3CD_AddProp write-what-where condition

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in RTMPDump 2.4. This affects the function AMF3CD_AddProp of the file amf.c of the component RTMP Media Handler. Performing a manipulation results in write-what-where condition. This vulnerability is cataloged as CVE-2015-8271. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in RTMPDump 2.4. It has been classified as critical. This affects the function AMF3CD_AddProp of the file amf.c of the component RTMP Media Handler. The manipulation with an unknown input leads to a write-what-where condition vulnerability. CWE is classifying the issue as CWE-123. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The AMF3CD_AddProp function in amf.c in RTMPDump 2.4 allows remote RTMP Media servers to execute arbitrary code.

The bug was discovered 01/07/2016. The weakness was shared 04/13/2017 by Cisco with Cisco Talos (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2015-8271 since 11/19/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 462 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99674 (Debian DLA-917-1 : rtmpdump 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 196776 (Ubuntu Security Notification for Rtmpdump Vulnerabilities (USN-3283-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99674) and SecurityFocus (BID 95125†). The entries VDB-99788 and VDB-99790 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Write-what-where condition
CWE: CWE-123 / CWE-119
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: 99674
Nessus Name: Debian DLA-917-1 : rtmpdump security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703850
OpenVAS Name: Debian Security Advisory DSA 3850-1 (rtmpdump - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

11/19/2015 🔍
01/07/2016 +49 days 🔍
01/07/2016 +0 days 🔍
04/13/2017 +462 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
04/25/2017 +11 days 🔍
04/26/2017 +1 days 🔍
08/30/2020 +1222 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Cisco
Organization: Cisco Talos
Status: Not defined

CVE: CVE-2015-8271 (🔍)
GCVE (CVE): GCVE-0-2015-8271
GCVE (VulDB): GCVE-100-99789

OVAL: 🔍

SecurityFocus: 95125 - RTMPDump CVE-2015-8271 Remote Code Execution Vulnerability
OSVDB: - CVE-2015-8271 - RTMPDump - Code Execution Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 10:56
Updated: 08/30/2020 16:20
Changes: 04/14/2017 10:56 (75), 08/30/2020 16:20 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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