libslirp 4.1.0 on Windows tftp.c path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in libslirp 4.1.0 on Windows and classified as critical. Affected by this issue is some unknown functionality of the file tftp.c. Such manipulation with the input ..\ leads to path traversal. This vulnerability is documented as CVE-2020-7211. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in libslirp 4.1.0 on Windows and classified as critical. Affected by this issue is an unknown code of the file tftp.c. The manipulation with the input value ..\ leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

tftp.c in libslirp 4.1.0, as used in QEMU 4.2.0, does not prevent ..\ directory traversal on Windows.

The weakness was released 01/21/2020 (Website). The advisory is shared for download at security-tracker.debian.org. This vulnerability is handled as CVE-2020-7211 since 01/16/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
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: Path traversal
CWE: CWE-22
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.freedesktop.org

Timelineinfo

01/16/2020 🔍
01/21/2020 +5 days 🔍
01/22/2020 +1 days 🔍
03/25/2024 +1524 days 🔍

Sourcesinfo

Advisory: 14ec36e107a8c9af7d0a80c3571fe39b291ff1d4
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-7211 (🔍)
GCVE (CVE): GCVE-0-2020-7211
GCVE (VulDB): GCVE-100-149216

Entryinfo

Created: 01/22/2020 13:57
Updated: 03/25/2024 09:16
Changes: 01/22/2020 13:57 (39), 01/22/2020 14:02 (17), 03/25/2024 09:16 (18)
Complete: 🔍
Cache ID: 216::103

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