VDB-102040 · CVE-2017-9472 · GCVE-0-2017-9472

ytnef 1.9.2 lib/ytnef.c SwapDWord memory corruption

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in ytnef 1.9.2. This issue affects the function SwapDWord in the library lib/ytnef.c. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2017-9472. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in ytnef 1.9.2 (Document Reader Software). It has been declared as critical. This vulnerability affects the function SwapDWord in the library lib/ytnef.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In ytnef 1.9.2, the SwapDWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.

The bug was discovered 05/24/2017. The weakness was published 06/07/2017 (Website). The advisory is shared for download at blogs.gentoo.org. This vulnerability was named CVE-2017-9472 since 06/06/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-102042, VDB-102041, VDB-102039 and VDB-102038. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Document Reader Software

Name

ytnef

Version

1.9.2

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/24/2017 🔍
06/06/2017 +13 days 🔍
06/07/2017 +1 days 🔍
06/07/2017 +0 days 🔍
06/07/2017 +0 days 🔍
12/08/2022 +2010 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-7d7083b8be
Status: Not defined

CVE: CVE-2017-9472 (🔍)
GCVE (CVE): GCVE-0-2017-9472
GCVE (VulDB): GCVE-100-102040
See also: 🔍

Entryinfo

Created: 06/07/2017 19:49
Updated: 12/08/2022 08:19
Changes: 06/07/2017 19:49 (59), 10/14/2019 10:35 (1), 12/08/2022 08:19 (3)
Complete: 🔍
Cache ID: 216:215:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.