Deluge Team 0.5.8.2 bencode.hpp bdecode_recursive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability has been found in Deluge Team Deluge 0.5.8.2 and classified as critical. Affected by this vulnerability is the function bdecode_recursive in the library include/libtorrent/bencode.hpp. 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 availability. The summary by CVE is:

The bdecode_recursive function in include/libtorrent/bencode.hpp in Rasterbar Software libtorrent before 0.12.1, as used in Deluge before 0.5.8.3 and other products, allows context-dependent attackers to cause a denial of service (stack exhaustion and crash) via a crafted bencoded message.

The bug was discovered 03/10/2007. The weakness was released 02/07/2008 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2008-0646 since 02/07/2008. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 329 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 30157 (Fedora 8 : rb_libtorrent-0.12-3.fc8 (2008-1198)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 0.5.8.2 eliminates this vulnerability. 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 (40223) and Tenable (30157).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 30157
Nessus Name: Fedora 8 : rb_libtorrent-0.12-3.fc8 (2008-1198)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 860495
OpenVAS Name: Family Connections argv[1] Parameter Remote Arbitrary Command Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Deluge 0.5.8.2

Timelineinfo

03/10/2007 🔍
03/10/2007 +0 days 🔍
02/02/2008 +329 days 🔍
02/04/2008 +2 days 🔍
02/05/2008 +1 days 🔍
02/07/2008 +2 days 🔍
02/07/2008 +0 days 🔍
02/07/2008 +0 days 🔍
02/12/2008 +5 days 🔍
03/16/2015 +2589 days 🔍
08/04/2019 +1602 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-0646 (🔍)
X-Force: 40223
Vulnerability Center: 17597 - Rasterbar Software libtorrent bdecode_recursive Function Buffer Overflow, Medium
SecurityFocus: 27597 - Rasterbar Software libtorrent 'bdecode_recursive()' Remote Denial of Service Vulnerability
Secunia: 28699
OSVDB: 42858 - CVE-2008-0646 - Rasterbar Software - libtorrent - Denial-of-Service Issue
Vupen: ADV-2008-0383

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/04/2019 21:13
Changes: 03/16/2015 13:43 (71), 08/04/2019 21:13 (8)
Complete: 🔍

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