LibTIFF 4.0.7 libtiff/tif_dirread.c TIFFReadDirEntryLong8Array 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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in LibTIFF 4.0.7 and classified as problematic. Affected by this issue is the function TIFFReadDirEntryLong8Array of the file libtiff/tif_dirread.c. This manipulation causes memory corruption. This vulnerability appears as CVE-2017-9815. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in LibTIFF 4.0.7 (Image Processing Software). Affected by this vulnerability is the function TIFFReadDirEntryLong8Array of the file libtiff/tif_dirread.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 availability. The summary by CVE is:

In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.

The bug was discovered 06/21/2017. The weakness was presented 06/22/2017 (Website). It is possible to read the advisory at bugzilla.maptools.org. This vulnerability is known as CVE-2017-9815 since 06/22/2017. 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. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108513 (Ubuntu 14.04 LTS / 16.04 LTS : tiff vulnerabilities (USN-3602-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197086 (Ubuntu Security Notification for Tiff Vulnerabilities (USN-3602-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108513) and SecurityFocus (BID 99235†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 108513
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS : tiff vulnerabilities (USN-3602-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53106
OpenVAS Name: Ubuntu Update for tiff USN-3602-1
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

06/21/2017 🔍
06/22/2017 +1 days 🔍
06/22/2017 +0 days 🔍
06/22/2017 +0 days 🔍
06/22/2017 +0 days 🔍
06/23/2017 +1 days 🔍
03/20/2018 +270 days 🔍
03/21/2018 +1 days 🔍
10/24/2024 +2409 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: USN-3602-1
Researcher: bestshow
Status: Not defined

CVE: CVE-2017-9815 (🔍)
GCVE (CVE): GCVE-0-2017-9815
GCVE (VulDB): GCVE-100-102763
SecurityFocus: 99235 - LibTIFF 'libtiff/tif_dirread.c' Denial of Service Vulnerability

Entryinfo

Created: 06/23/2017 09:45
Updated: 10/24/2024 04:21
Changes: 06/23/2017 09:45 (72), 10/19/2019 20:41 (5), 12/29/2020 14:21 (3), 12/09/2022 06:28 (3), 10/24/2024 04:21 (16)
Complete: 🔍
Cache ID: 216:838:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!