ytnef up to 1.9.0 out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in ytnef up to 1.9.0. This vulnerability affects unknown code. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2017-6305. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ytnef up to 1.9.0 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in ytnef before 1.9.1. This is related to a patch described as "8 of 9. Out of Bounds read and write."

The bug was discovered 02/23/2017. The weakness was presented 02/24/2017 by Eric Sesterhenn with X41 D-Sec GmbH (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2017-6305 since 02/23/2017. 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 scanner Nessus provides a plugin with the ID 99044 (Debian DLA-878-1 : libytnef 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 176025 (Debian Security Update for libytnef (DSA 3846-1)).

Upgrading to version 1.9.1 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 Tenable (99044) and SecurityFocus (BID 96423†). See VDB-97236, VDB-97237, VDB-97238 and VDB-97239 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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: Out-of-bounds
CWE: CWE-125 / 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: 99044
Nessus Name: Debian DLA-878-1 : libytnef security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703846
OpenVAS Name: Debian Security Advisory DSA 3846-1 (libytnef - security update)
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: 🔍

Upgrade: ytnef 1.9.1

Timelineinfo

02/23/2017 🔍
02/23/2017 +0 days 🔍
02/23/2017 +0 days 🔍
02/23/2017 +0 days 🔍
02/24/2017 +1 days 🔍
02/24/2017 +0 days 🔍
03/28/2017 +32 days 🔍
03/30/2017 +2 days 🔍
08/16/2020 +1235 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Eric Sesterhenn
Organization: X41 D-Sec GmbH
Status: Not defined

CVE: CVE-2017-6305 (🔍)
GCVE (CVE): GCVE-0-2017-6305
GCVE (VulDB): GCVE-100-97243

OVAL: 🔍

SecurityFocus: 96423 - ytnef Multiple Security Vulnerabilities
OSVDB: - CVE-2017-6305 - ytnef - Out of Bounds Read and Write Issue

See also: 🔍

Entryinfo

Created: 02/24/2017 10:42
Updated: 08/16/2020 17:54
Changes: 02/24/2017 10:42 (76), 08/16/2020 17:54 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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