VDB-95204 · CVE-2016-10131 · ID 4963

CodeIgniter up to 3.1.2 Sendmail Email.php email->from injection

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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in CodeIgniter up to 3.1.2 and classified as critical. Affected is an unknown function in the library system/libraries/Email.php of the component Sendmail Handler. Such manipulation of the argument email->from leads to injection. This vulnerability is traded as CVE-2016-10131. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in CodeIgniter up to 3.1.2. Affected by this issue is an unknown code in the library system/libraries/Email.php of the component Sendmail Handler. The manipulation of the argument email->from with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

system/libraries/Email.php in CodeIgniter before 3.1.3 allows remote attackers to execute arbitrary code by leveraging control over the email->from field to insert sendmail command-line arguments.

The bug was discovered 03/24/2017. The weakness was shared 01/12/2017 (GitHub Repository). The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2016-10131 since 01/12/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

By approaching the search of inurl:system/libraries/Email.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.1.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96851†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CodeIgniter

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CodeIgniter 3.1.3
Patch: github.com

Timelineinfo

01/12/2017 🔍
01/12/2017 +0 days 🔍
01/12/2017 +0 days 🔍
01/12/2017 +0 days 🔍
01/12/2017 +0 days 🔍
03/24/2017 +71 days 🔍
10/28/2022 +2044 days 🔍

Sourcesinfo

Advisory: 4963
Status: Not defined

CVE: CVE-2016-10131 (🔍)
GCVE (CVE): GCVE-0-2016-10131
GCVE (VulDB): GCVE-100-95204
SecurityFocus: 96851 - CodeIgniter 'system/libraries/Email.php' Remote Code Execution Vulnerability

Entryinfo

Created: 01/12/2017 13:26
Updated: 10/28/2022 12:55
Changes: 01/12/2017 13:26 (59), 12/29/2019 21:16 (4), 10/28/2022 12:55 (4)
Complete: 🔍
Cache ID: 216::103