ReadyTalk Avian 1.2.0 classpath-common.h vm::arrayCopy Negative Length memory corruption

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

Summaryinfo

A vulnerability identified as critical has been detected in ReadyTalk Avian 1.2.0. This affects the function vm::arrayCopy of the file classpath-common.h. Performing a manipulation as part of Negative Length results in memory corruption. This vulnerability is reported as CVE-2020-17361. The attack requires a local approach. No exploit exists. It is advised to substitute the affected component with an alternative.

Detailsinfo

A vulnerability classified as critical has been found in ReadyTalk Avian 1.2.0. This affects the function vm::arrayCopy of the file classpath-common.h. The manipulation as part of a Negative Length leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

** UNSUPPORTED WHEN ASSIGNED ** An issue was discovered in ReadyTalk Avian 1.2.0. The vm::arrayCopy method defined in classpath-common.h returns silently when a negative length is provided (instead of throwing an exception). This could result in data being lost during the copy, with varying consequences depending on the subsequent use of the destination buffer. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

The weakness was disclosed 08/12/2020 as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2020-17361 since 08/05/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The problem might be mitigated by replacing the product with as an alternative.

The entry VDB-159776 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: Alternative
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/05/2020 🔍
08/12/2020 +7 days 🔍
08/13/2020 +1 days 🔍
05/05/2025 +1726 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2020-17361 (🔍)
GCVE (CVE): GCVE-0-2020-17361
GCVE (VulDB): GCVE-100-159777
See also: 🔍

Entryinfo

Created: 08/13/2020 13:52
Updated: 05/05/2025 06:23
Changes: 08/13/2020 13:52 (42), 08/29/2020 15:54 (17), 08/04/2024 17:17 (16), 05/05/2025 06:23 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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