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.
6.1	$0-$5k	0.00

A vulnerability was found in LibTIFF 4.0.8 (Image Processing Software). It has been classified as problematic. Affected is the function TIFFFetchStripThing of the file tif_read.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The TIFFReadDirEntryArray function in tif_read.c in LibTIFF 4.0.8 mishandles memory allocation for short files, which allows remote attackers to cause a denial of service (allocation failure and application crash) in the TIFFFetchStripThing function in tif_dirread.c during a tiff2pdf invocation.

The bug was discovered 08/06/2017. The weakness was presented 08/18/2017 as Bug 2725 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.maptools.org. This vulnerability is traded as CVE-2017-12944 since 08/18/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103093 (Debian DLA-1093-1 : tiff 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 171783 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:4191-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103093). See 95845, 105920, 105921 and 126675 for similar entries.

Productinfo

Type

• Image Processing Software

Name

• LibTIFF

Version

• 4.0.8

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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

Nessus ID: 103093
Nessus Name: Debian DLA-1093-1 : tiff security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800596
OpenVAS Name: Ubuntu Update for tiff USN-3606-1
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

08/06/2017 🔍
08/18/2017 +12 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
09/09/2017 +22 days 🔍
09/11/2017 +2 days 🔍
11/12/2018 +427 days 🔍
01/09/2021 +789 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: Bug 2725
Researcher: ganshuitao
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12944 (🔍)
OVAL: 🔍

SecurityFocus: 105932 - LibTIFF CVE-2018-19210 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 08/18/2017 22:55
Updated: 01/09/2021 17:34
Changes: 08/18/2017 22:55 (78), 11/08/2019 10:47 (6), 01/09/2021 17:34 (3)
Complete: 🔍

Discussion

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