CVE-2023-43300 Information disclosure in n/a

High 8.2 Published Updated

Attackers can leak channel access tokens to send malicious notifications in Line mini-apps, requiring a patch to secure token handling.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-43300?

CVE-2023-43300 is a high-severity vulnerability in Linecorp Line, published on 7 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in urban_project mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.

Which versions are affected by CVE-2023-43300?

It affects 1 product.

Products include Linecorp Line.

How do I fix CVE-2023-43300?

No fix has been published for CVE-2023-43300 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-43300 being exploited?

There is no known exploitation of CVE-2023-43300 in the wild and no public exploit code.

All Linecorp Line vulnerabilities

Sources

Also known as GHSA-3pvf-9jm4-6vxf.

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