RealNetworks RealPlayer 1.0.6 Unescape memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in RealNetworks RealPlayer 1.0.6. Impacted is the function Unescape. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2010-0416. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in RealNetworks RealPlayer 1.0.6 (Multimedia Player Software). It has been declared as critical. This vulnerability affects the function Unescape. 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:

Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.

The weakness was disclosed 02/18/2010 (Website). The advisory is shared for download at helixcommunity.org. This vulnerability was named CVE-2010-0416 since 01/27/2010. The exploitation appears to be easy. 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.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 44428 (CentOS 4 : HelixPlayer (CESA-2010:0094)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155701 (Oracle Enterprise Linux Update for HelixPlayer (ELSA-2010-0094)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (33620), Tenable (44428), SecurityFocus (BID 38161†), Secunia (SA38450†) and Vulnerability Center (SBV-24835†). The entries VDB-51893, VDB-51668, VDB-51667 and VDB-51666 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 44428
Nessus Name: CentOS 4 : HelixPlayer (CESA-2010:0094)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 880364
OpenVAS Name: CentOS Update for HelixPlayer CESA-2010:0094 centos4 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/03/2007 🔍
07/03/2007 +0 days 🔍
01/27/2010 +939 days 🔍
02/09/2010 +13 days 🔍
02/15/2010 +6 days 🔍
02/18/2010 +3 days 🔍
02/18/2010 +0 days 🔍
03/18/2015 +1854 days 🔍
05/01/2026 +4061 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: helixcommunity.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-0416 (🔍)
GCVE (CVE): GCVE-0-2010-0416
GCVE (VulDB): GCVE-100-51892

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 38161 - Helix Player Encoded URI Processing Buffer Overflow Vulnerability
Secunia: 38450 - Red Hat update for HelixPlayer, Highly Critical
Vulnerability Center: 24835 - Helix Player Code Execution Vulnerability via a URI Containing a \x27 %\x27 Within the Last Two Characters, Medium

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 05/01/2026 00:58
Changes: 03/18/2015 15:15 (66), 02/21/2017 08:02 (12), 09/02/2021 14:45 (3), 11/29/2024 01:24 (25), 05/01/2026 00:58 (2)
Complete: 🔍
Cache ID: 216::103

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