LibRaw 20.0 src/metadata/tiff.cpp parse_tiff_ifd null pointer dereference ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in LibRaw 20.0. The affected element is the function parse_tiff_ifd of the file src/metadata/tiff.cpp. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2020-24890. The attack is restricted to local execution. No exploit exists. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability was found in LibRaw 20.0 (Image Processing Software). It has been declared as critical. This vulnerability affects the function parse_tiff_ifd of the file src/metadata/tiff.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

libraw 20.0 has a null pointer dereference vulnerability in parse_tiff_ifd in src/metadata/tiff.cpp, which may result in context-dependent arbitrary code execution.

The weakness was disclosed 09/16/2020. This vulnerability was named CVE-2020-24890 since 08/28/2020. 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 real existence of this vulnerability is still doubted at the moment.

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

The entry VDB-161331 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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

08/28/2020 🔍
09/16/2020 +19 days 🔍
09/17/2020 +1 days 🔍
05/05/2025 +1691 days 🔍

Sourcesinfo

Status: Not defined
Disputed: 🔍

CVE: CVE-2020-24890 (🔍)
GCVE (CVE): GCVE-0-2020-24890
GCVE (VulDB): GCVE-100-161332
See also: 🔍

Entryinfo

Created: 09/17/2020 06:45
Updated: 05/05/2025 04:25
Changes: 09/17/2020 06:45 (37), 09/17/2020 06:50 (18), 08/04/2024 19:11 (18), 05/05/2025 04:25 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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