SquirrelMail 1.4.22 Deliver.class.php att_local_name path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in SquirrelMail 1.4.22. Impacted is an unknown function of the file Deliver.class.php. Executing a manipulation of the argument att_local_name with the input ../ can lead to path traversal. The identification of this vulnerability is CVE-2018-8741. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in SquirrelMail 1.4.22 (Mail Client Software). This vulnerability affects an unknown functionality of the file Deliver.class.php. The manipulation of the argument att_local_name with the input value ../ leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.

The bug was discovered 03/17/2018. The weakness was shared 03/17/2018 (Website). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2018-8741 since 03/17/2018. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:Deliver.class.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 109062 (Debian DLA-1344-1 : squirrelmail security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176349 (Debian Security Update for squirrelmail (DSA 4168-1)).

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 vulnerability database at Tenable (109062). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109062
Nessus Name: Debian DLA-1344-1 : squirrelmail security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53212
OpenVAS Name: SquirrelMail < 1.4.23 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/17/2018 🔍
03/17/2018 +0 days 🔍
03/17/2018 +0 days 🔍
03/17/2018 +0 days 🔍
03/17/2018 +0 days 🔍
04/16/2018 +30 days 🔍
04/17/2018 +1 days 🔍
02/22/2023 +1772 days 🔍

Sourcesinfo

Advisory: DLA 1344-1
Status: Not defined

CVE: CVE-2018-8741 (🔍)
GCVE (CVE): GCVE-0-2018-8741
GCVE (VulDB): GCVE-100-114724

OVAL: 🔍

SecurityTracker: 1040554

Entryinfo

Created: 03/17/2018 18:58
Updated: 02/22/2023 10:25
Changes: 03/17/2018 18:58 (73), 01/14/2020 15:56 (3), 02/05/2021 11:45 (2), 02/22/2023 10:25 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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