CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Ruby up to 1.9 (Programming Language Software). Affected is an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on integrity, and availability. CVE summarizes:
resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
The bug was discovered 08/08/2008. The weakness was disclosed 09/04/2008 (Website). The advisory is available at ruby-lang.org. This vulnerability is traded as CVE-2008-3905 since 09/04/2008. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 34462 (CentOS 3 : ruby (CESA-2008:0896)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165649 (SUSE Enterprise Linux Security Update dhcp-client (SUSE-SA:2009:037)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (45935) and Tenable (34462). The entries 3810, 43706, 43674 and 43673 are pretty similar.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 34462
Nessus Name: CentOS 3 : ruby (CESA-2008:0896)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 61773
OpenVAS Name: Debian Security Advisory DSA 1651-1 (ruby1.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
04/09/2008 🔍08/08/2008 🔍
09/04/2008 🔍
09/04/2008 🔍
09/04/2008 🔍
10/10/2008 🔍
10/12/2008 🔍
10/22/2008 🔍
10/24/2008 🔍
03/17/2015 🔍
08/18/2019 🔍
Sources
Advisory: ruby-lang.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2008-3905 (🔍)
OVAL: 🔍
X-Force: 45935
Vulnerability Center: 19681 - Ruby resolv.rc Use of Constant Source Ports for DNS Request Allows DNS Response Spoofing, Medium
SecurityFocus: 31699 - Ruby 'resolv.rb' Predictable Transaction ID and Source Port DNS Spoofing Vulnerability
Secunia: 31430
OSVDB: 47469 - CVE-2008-3905 - Ruby - Spoofing Issue
Vupen: ADV-2008-2334
See also: 🔍
Entry
Created: 03/17/2015 16:11Updated: 08/18/2019 09:11
Changes: 03/17/2015 16:11 (73), 08/18/2019 09:11 (9)
Complete: 🔍
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