dcraw up to 9.28 parse_tiff_ifd out-of-bounds

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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in dcraw up to 9.28 and classified as critical. This affects the function parse_tiff_ifd. The manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2018-19566. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in dcraw up to 9.28. It has been rated as critical. This issue affects the function parse_tiff_ifd. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A heap buffer over-read in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply malicious files to crash an application that bundles the dcraw code or leak private information.

The bug was discovered 11/23/2018. The weakness was released 11/26/2018 (Website). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2018-19566 since 11/26/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 3 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.

Entries connected to this vulnerability are available at VDB-127150, VDB-127152 and VDB-127153. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 7.1
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/23/2018 🔍
11/26/2018 +3 days 🔍
11/26/2018 +0 days 🔍
11/26/2018 +0 days 🔍
11/27/2018 +1 days 🔍
04/15/2020 +505 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2018-19566 (🔍)
GCVE (CVE): GCVE-0-2018-19566
GCVE (VulDB): GCVE-100-127151
See also: 🔍

Entryinfo

Created: 11/27/2018 09:40
Updated: 04/15/2020 09:19
Changes: 11/27/2018 09:40 (56), 04/15/2020 09:19 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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