Apple QuickTime 7.7.3 ENOF Atom memory corruption

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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Apple QuickTime 7.7.3 (Multimedia Player Software). This affects an unknown code of the component ENOF Atom Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on 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 crafted enof atoms in a movie file.

The weakness was shared 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 vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-0986 since 01/10/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for 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 121226 (Apple Mountain Lion v10.8.4 and Security Update 2013-002 Not Installed (APPLE-SA-2013-06-04-1)).

Upgrading to version 7.7.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12955.

The vulnerability is also documented in the databases at X-Force (84465), Tenable (66636), SecurityFocus (BID 60092†), OSVDB (93618†) and Secunia (SA53520†).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.6
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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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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 🔍
05/28/2013 +4 days 🔍
06/02/2013 +5 days 🔍
05/11/2021 +2900 days 🔍



Advisory: HT5770
Researcher: Tom Gallagher, Paul Bates
Organization: Microsoft Vulnerability Research
Status: Confirmed
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CVE: CVE-2013-0986 (🔍)

X-Force: 84465
SecurityFocus: 60092 - Apple QuickTime CVE-2013-1016 Buffer Overflow Vulnerability
Secunia: 53520 - Apple QuickTime Multiple Vulnerabilities, Highly Critical
OSVDB: 93618
Vulnerability Center: 39794 - Apple QuickTime Before 7.7.4 Remote Code Execution and DoS Vulnerability via Crafted Enof Atoms in a Movie File (CVE-2013-0986), Critical


Created: 05/24/2013 11:52 AM
Updated: 05/11/2021 11:57 PM
Changes: 05/24/2013 11:52 AM (87), 05/01/2017 11:26 AM (5), 05/11/2021 11:57 PM (3)
Complete: 🔍
Cache ID: 3:B9C:40


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