Adobe Flash Player up to 9.0.115.0 DNS memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Flash Player up to 9.0.115.0. This vulnerability affects unknown code of the component DNS. This manipulation causes memory corruption. This vulnerability appears as CVE-2007-4768. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Adobe Flash Player up to 9.0.115.0 (Multimedia Player Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component DNS. 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. The summary by CVE is:

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

The bug was discovered 11/05/2007. The weakness was presented 12/27/2007 by Dan Boneh, Adam Barth, Andrew Bortz and Collin Jackso (Paul) with Stanford University (Website). It is possible to read the advisory at adobe.com. This vulnerability is known as CVE-2007-4768 since 09/10/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 40711 (RHEL 3 / 4 / 5 : flash-plugin (RHSA-2007:1126)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115679 (Adobe Flash Player Multiple Vulnerabilities (APSB07-20)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at adobe.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (38278), Tenable (40711), SecurityFocus (BID 27641†), OSVDB (40766†) and Secunia (SA30840†). See VDB-3525, VDB-3524, VDB-3527 and VDB-3530 for similar entries. Statistical analysis made it clear that VulDB provides the best quality 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: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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: 40711
Nessus Name: RHEL 3 / 4 / 5 : flash-plugin (RHSA-2007:1126)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58731
OpenVAS Name: Debian Security Advisory DSA 1399-1 (pcre3)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: adobe.com

Timelineinfo

09/10/2007 🔍
11/05/2007 +56 days 🔍
11/07/2007 +2 days 🔍
11/07/2007 +0 days 🔍
11/13/2007 +6 days 🔍
12/18/2007 +35 days 🔍
12/19/2007 +1 days 🔍
12/27/2007 +8 days 🔍
01/03/2008 +7 days 🔍
02/06/2008 +34 days 🔍
06/26/2008 +141 days 🔍
08/24/2009 +424 days 🔍
07/30/2019 +3627 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: adobe.com
Researcher: Dan Boneh, Adam Barth, Andrew Bortz, Collin Jackso (Paul)
Organization: Stanford University
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4768 (🔍)
GCVE (CVE): GCVE-0-2007-4768
GCVE (VulDB): GCVE-100-3523

OVAL: 🔍

X-Force: 38278 - PCRE character class Unicode sequence buffer overflow, High Risk
SecurityFocus: 27641 - Adobe Acrobat and Reader Multiple Arbitrary Code Execution and Security Vulnerabilities
Secunia: 30840
OSVDB: 40766 - CVE-2007-4768 - PCRE - Buffer Overflow Issue
SecurityTracker: 1019116
Vulnerability Center: 16788 - PCRE < 7.4 Heap Based Buffer Overflow via Unicode Sequence in a Character Class, High
Vupen: ADV-2008-1966

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

Entryinfo

Created: 01/03/2008 09:20
Updated: 07/30/2019 09:42
Changes: 01/03/2008 09:20 (101), 07/30/2019 09:42 (4)
Complete: 🔍
Cache ID: 216:216:103

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