Ledger-CLI 3.1.1 Account Parser use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Ledger-CLI 3.1.1. The impacted element is an unknown function of the component Account Parser. This manipulation causes use after free. This vulnerability is registered as CVE-2017-2808. The attack needs to be launched locally. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Ledger-CLI 3.1.1. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Account Parser. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An exploitable use-after-free vulnerability exists in the account parsing component of the Ledger-CLI 3.1.1. A specially crafted ledger file can cause a use-after-free vulnerability resulting in arbitrary code execution. An attacker can convince a user to load a journal file to trigger this vulnerability.

The bug was discovered 08/30/2017. The weakness was published 09/05/2017 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-2808 since 12/01/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103482 (FreeBSD : ledger -- multiple vulnerabilities (d843a984-7f22-484f-ba81-483ddbe30dc3)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103482) and SecurityFocus (BID 100546†). Similar entry is available at VDB-106134. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103482
Nessus Name: FreeBSD : ledger -- multiple vulnerabilities (d843a984-7f22-484f-ba81-483ddbe30dc3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/01/2016 🔍
08/30/2017 +271 days 🔍
08/30/2017 +0 days 🔍
09/05/2017 +6 days 🔍
09/05/2017 +0 days 🔍
09/06/2017 +1 days 🔍
09/26/2017 +20 days 🔍
09/27/2017 +1 days 🔍
12/27/2022 +1917 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Cory Duplantis, another member
Status: Not defined

CVE: CVE-2017-2808 (🔍)
GCVE (CVE): GCVE-0-2017-2808
GCVE (VulDB): GCVE-100-106135
SecurityFocus: 100546

See also: 🔍

Entryinfo

Created: 09/06/2017 08:59
Updated: 12/27/2022 19:12
Changes: 09/06/2017 08:59 (61), 11/13/2019 08:24 (9), 01/11/2021 07:04 (4), 12/27/2022 19:12 (13)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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