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CVE-2021-29948

Date: June 24, 2021

Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.

Language: JS

Severity Score

Related Resources (10)

https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948
https://security.archlinux.org/CVE-2021-29948
https://www.mozilla.org/security/advisories/mfsa2021-14/
https://access.redhat.com/security/cve/CVE-2021-29948
https://github.com/mozilla/releases-comm-central/commit/5c8b4f1acf2936f59594aadc2af95c63eead291b
https://security-tracker.debian.org/tracker/CVE-2021-29948
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-29948
https://nvd.nist.gov/vuln/detail/CVE-2021-29948
https://www.mend.io/vulnerability-database/CVE-2021-29948

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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