LibTIFF 4.0.9 tools/ppm2tiff.c multiply_ms Image File integer overflow

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in LibTIFF 4.0.9. The affected element is the function multiply_ms of the file tools/ppm2tiff.c. Executing a manipulation as part of Image File can lead to integer overflow. This vulnerability appears as CVE-2018-17100. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in LibTIFF 4.0.9 (Image Processing Software). It has been declared as critical. This vulnerability affects the function multiply_ms of the file tools/ppm2tiff.c. The manipulation as part of a Image File leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file.

The bug was discovered 09/07/2018. The weakness was presented 09/16/2018 (Website). The advisory is shared for download at bugzilla.maptools.org. This vulnerability was named CVE-2018-17100 since 09/16/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118321 (SUSE SLED12 / SLES12 Security Update : tiff (SUSE-SU-2018:3289-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171667 (SUSE Enterprise Linux Security Update for tiff (SUSE-SU-2018:3289-1)).

Upgrading 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 (118321) and SecurityFocus (BID 105370†). See VDB-102818, VDB-104510, VDB-113795 and VDB-114882 for similar entries. Once again VulDB remains the best source 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: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 118321
Nessus Name: SUSE SLED12 / SLES12 Security Update : tiff (SUSE-SU-2018:3289-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

09/07/2018 🔍
09/16/2018 +8 days 🔍
09/16/2018 +0 days 🔍
09/16/2018 +0 days 🔍
09/16/2018 +0 days 🔍
09/17/2018 +1 days 🔍
10/22/2018 +35 days 🔍
10/23/2018 +1 days 🔍
05/16/2023 +1666 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2019:2053
Status: Confirmed

CVE: CVE-2018-17100 (🔍)
GCVE (CVE): GCVE-0-2018-17100
GCVE (VulDB): GCVE-100-124108
SecurityFocus: 105370 - LibTIFF CVE-2018-17101 Function Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/17/2018 06:50
Updated: 05/16/2023 14:11
Changes: 09/17/2018 06:50 (76), 03/24/2020 10:38 (5), 05/16/2023 14:11 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!