VideoLAN VLC Media Player up to 1.1.5 StripTags memory corruption

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in VideoLAN VLC Media Player up to 1.1.5. It has been declared as critical. This vulnerability affects the function StripTags. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2011-0522. The attack can be executed remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in VideoLAN VLC Media Player up to 1.1.5 (Multimedia Player Software). It has been declared as critical. This vulnerability affects the function StripTags. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The StripTags function in (1) the USF decoder (modules/codec/subtitles/subsdec.c) and (2) the Text decoder (modules/codec/subtitles/subsusf.c) in VideoLAN VLC Media Player 1.1 before 1.1.6-rc allows remote attackers to execute arbitrary code via a subtitle with an opening "<" without a closing ">" in an MKV file, which triggers heap memory corruption, as demonstrated using refined-australia-blu720p-sample.mkv.

The weakness was released 02/07/2011 by Harry Sintonen (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2011-0522. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed by Harry Sintonen and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 51772 (VLC Media Player < 1.1.6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119265 (VLC Media Player USF and Text Subtitles Decoders Buffer Overflow).

Upgrading to version 1.1.6-rc eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11419.

The vulnerability is also documented in the databases at X-Force (65029), Exploit-DB (16108), Tenable (51772), SecurityFocus (BID 46008†) and OSVDB (72905†). Entries connected to this vulnerability are available at VDB-4236 and VDB-56233. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Harry Sintonen
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 51772
Nessus Name: VLC Media Player < 1.1.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902342
OpenVAS Name: VLC Media Player USF and Text Subtitles Decoders BOF Vulnerabilities (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VLC Media Player 1.1.6-rc
Patch: bb16813ddb61a53113c71bccc525559405785452
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/16/2011 🔍
01/16/2011 +0 days 🔍
01/20/2011 +3 days 🔍
02/03/2011 +14 days 🔍
02/03/2011 +0 days 🔍
02/07/2011 +4 days 🔍
02/07/2011 +0 days 🔍
02/15/2011 +8 days 🔍
03/20/2015 +1494 days 🔍
01/18/2025 +3592 days 🔍

Sourcesinfo

Vendor: videolan.org

Advisory: openwall.com
Researcher: Harry Sintonen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0522 (🔍)
GCVE (CVE): GCVE-0-2011-0522
GCVE (VulDB): GCVE-100-56356

OVAL: 🔍

X-Force: 65029
SecurityFocus: 46008 - VLC Media Player Subtitle 'StripTags()' Function Memory Corruption Vulnerability
OSVDB: 72905
Vulnerability Center: 29778 - VideoLAN VLC Media Player 1.1 Prior to 1.1.6-rc Remote Arbitrary Code Execution Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 01/18/2025 23:15
Changes: 03/20/2015 16:16 (66), 05/06/2019 07:12 (18), 10/13/2021 21:01 (4), 10/13/2021 21:08 (1), 10/20/2024 10:07 (14), 01/18/2025 23:15 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!