Vulnerability Details : CVE-2022-28281
If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-28281
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 31 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-28281
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
nvd@nist.gov |
CWE ids for CVE-2022-28281
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-28281
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https://www.mozilla.org/security/advisories/mfsa2022-15/
Security Vulnerabilities fixed in Thunderbird 91.8 — MozillaExploit;Vendor Advisory
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https://www.mozilla.org/security/advisories/mfsa2022-14/
Security Vulnerabilities fixed in Firefox ESR 91.8 — MozillaExploit;Vendor Advisory
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https://bugzilla.mozilla.org/show_bug.cgi?id=1755621
1755621 - (CVE-2022-28281) WinWebAuthnManager::Register stack-buffer overflowExploit;Issue Tracking;Vendor Advisory
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https://www.mozilla.org/security/advisories/mfsa2022-13/
Security Vulnerabilities fixed in Firefox 99 — MozillaExploit;Vendor Advisory
Products affected by CVE-2022-28281
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*