Adobe ColdFusion 2016 Update 10/2018 Update 3/up to 11 Update 18 deserialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Adobe ColdFusion 2016 Update 10/2018 Update 3/up to 11 Update 18 (Programming Language Software). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ColdFusion versions Update 3 and earlier, Update 10 and earlier, and Update 18 and earlier have a deserialization of untrusted data vulnerability. Successful exploitation could lead to arbitrary code execution.

The weakness was disclosed 06/11/2019 as APSB19-27 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2019-7840 since 02/12/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371836 (Adobe Security Update for ColdFusion (APSB19-27)).

Applying the patch 11 Update 19/2016 Update 11/2018 Update 4 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 136350 and 136351 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 11 Update 19/2016 Update 11/2018 Update 4

Timelineinfo

02/12/2019 🔍
06/11/2019 +119 days 🔍
06/11/2019 +0 days 🔍
06/12/2019 +1 days 🔍
06/22/2020 +376 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB19-27
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-7840 (🔍)
See also: 🔍

Entryinfo

Created: 06/12/2019 10:12
Updated: 06/22/2020 16:13
Changes: 06/12/2019 10:12 (60), 06/22/2020 16:13 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!