libslirp 4.1.0 tcp_subr.c snprintf Return Value buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in libslirp 4.1.0. It has been classified as critical. This issue affects the function snprintf of the file tcp_subr.c. This manipulation as part of Return Value causes buffer overflow. This vulnerability is handled as CVE-2020-8608. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in libslirp 4.1.0 and classified as critical. Affected by this vulnerability is the function snprintf of the file tcp_subr.c. The manipulation as part of a Return Value leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.

The weakness was released 02/06/2020. This vulnerability is known as CVE-2020-8608 since 02/04/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 208641 (CentOS 7 : qemu-kvm-ma (RHSA-2020:1209)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (208641). 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: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208641
Nessus Name: CentOS 7 : qemu-kvm-ma (RHSA-2020:1209)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.freedesktop.org

Timelineinfo

02/04/2020 🔍
02/06/2020 +2 days 🔍
02/07/2020 +1 days 🔍
10/12/2024 +1709 days 🔍

Sourcesinfo

Advisory: 68ccb8021a838066f0951d4b2817eb6b6f10a843
Status: Not defined

CVE: CVE-2020-8608 (🔍)
GCVE (CVE): GCVE-0-2020-8608
GCVE (VulDB): GCVE-100-149791

Entryinfo

Created: 02/07/2020 11:29
Updated: 10/12/2024 07:56
Changes: 02/07/2020 11:29 (36), 02/07/2020 11:34 (17), 03/28/2024 20:33 (19), 03/28/2024 20:41 (1), 10/12/2024 07:56 (4)
Complete: 🔍
Cache ID: 216::103

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

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