Apple QuickTime 7.7.3 H.263 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple QuickTime 7.7.3 (Multimedia Player Software). It has been rated as critical. This issue affects an unknown function of the component H.263 Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in Apple QuickTime before 7.7.4 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted movie file with H.263 encoding.

The weakness was published 05/22/2013 by Tom Gallagher and Paul Bates with Microsoft Vulnerability Research as HT5770 as confirmed advisory (Website) via ZDI (Zero Day Initiative). It is possible to read the advisory at The public release has been coordinated with Apple. The identification of this vulnerability is CVE-2013-1016 since 01/10/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 66636 (QuickTime < 7.7.4 Multiple Vulnerabilities (Windows)), 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 121203 (Apple QuickTime Prior to 7.7.4 Multiple Vulnerabilities (APPLE-SA-2013-05-22-1)).

Upgrading to version 7.7.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84457), Tenable (66636), SecurityFocus (BID 60092†), OSVDB (93614†) and Secunia (SA53520†).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 66636
Nessus Name: QuickTime < 7.7.4 Multiple Vulnerabilities (Windows)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: QuickTime 7.7.4
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01/10/2013 🔍
05/22/2013 +132 days 🔍
05/22/2013 +0 days 🔍
05/22/2013 +0 days 🔍
05/22/2013 +0 days 🔍
05/23/2013 +1 days 🔍
05/24/2013 +1 days 🔍
05/24/2013 +0 days 🔍
06/02/2013 +9 days 🔍
05/11/2021 +2900 days 🔍



Advisory: HT5770
Researcher: Tom Gallagher, Paul Bates
Organization: Microsoft Vulnerability Research
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1016 (🔍)

X-Force: 84457
SecurityFocus: 60092 - Apple QuickTime CVE-2013-1016 Buffer Overflow Vulnerability
Secunia: 53520 - Apple QuickTime Multiple Vulnerabilities, Highly Critical
OSVDB: 93614
Vulnerability Center: 39786 - Apple QuickTime Before 7.7.4 Remote Code Execution and DoS Vulnerability via a Crafted Movie File with H.263 Encoding (CVE-2013-1016), Critical


Created: 05/24/2013 11:36 AM
Updated: 05/11/2021 11:13 PM
Changes: 05/24/2013 11:36 AM (83), 05/01/2017 11:23 AM (5), 05/11/2021 11:13 PM (3)
Complete: 🔍
Cache ID: 3:D7A:40


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