Facebook tac_plus Auth Command improper filtering of special elements

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Facebook tac_plus. This affects an unknown function of the component Auth Command Handler. The manipulation leads to improper filtering of special elements. This vulnerability is traded as CVE-2023-45239. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Facebook tac_plus (Social Network Software) (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component Auth Command Handler. The manipulation with an unknown input leads to a improper filtering of special elements vulnerability. Using CWE to declare the problem leads to CWE-790. The product receives data from an upstream component, but does not filter or incorrectly filters special elements before sending it to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server.

The weakness was shared 10/06/2023 as GHSA-p334-5r3g-4vx3. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-45239 since 10/05/2023. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper filtering of special elements
CWE: CWE-790 / CWE-184 / CWE-183
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

10/05/2023 🔍
10/06/2023 +1 days 🔍
10/06/2023 +0 days 🔍
09/19/2024 +349 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-p334-5r3g-4vx3
Status: Confirmed

CVE: CVE-2023-45239 (🔍)
GCVE (CVE): GCVE-0-2023-45239
GCVE (VulDB): GCVE-100-241469

Entryinfo

Created: 10/06/2023 21:50
Updated: 09/19/2024 20:50
Changes: 10/06/2023 21:50 (40), 10/27/2023 10:12 (11), 09/19/2024 20:50 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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