libslirp 4.2.0 ip_input.c ip_reass Crafted Packet use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in libslirp 4.2.0. It has been rated as problematic. The affected element is the function ip_reass of the file ip_input.c. The manipulation as part of Crafted Packet leads to use after free. This vulnerability is traded as CVE-2020-1983. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in libslirp 4.2.0. It has been rated as problematic. This issue affects the function ip_reass of the file ip_input.c. The manipulation as part of a Crafted Packet leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. The summary by CVE is:

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

The weakness was shared 04/22/2020. The identification of this vulnerability is CVE-2020-1983 since 12/04/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 208647 (CentOS 7 : qemu-kvm-ma (RHSA-2021:0346)), 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 (208647). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Palo Alto Networks, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Nessus ID: 208647
Nessus Name: CentOS 7 : qemu-kvm-ma (RHSA-2021:0346)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.freedesktop.org

Timelineinfo

12/04/2019 🔍
04/22/2020 +140 days 🔍
04/23/2020 +1 days 🔍
10/12/2024 +1633 days 🔍

Sourcesinfo

Advisory: 9ac0371bb8c0a40f5d9f82a1c25129660e81df04
Status: Not defined

CVE: CVE-2020-1983 (🔍)
GCVE (CVE): GCVE-0-2020-1983
GCVE (VulDB): GCVE-100-154259

Entryinfo

Created: 04/23/2020 11:40
Updated: 10/12/2024 05:02
Changes: 04/23/2020 11:40 (36), 04/23/2020 11:45 (11), 10/11/2020 18:57 (1), 06/02/2024 07:58 (18), 06/02/2024 08:05 (19), 10/12/2024 05:02 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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