CISA KEV 정보
| 취약점명 | Mozilla Firefox And Thunderbird Use-After-Free Vulnerability |
|---|---|
| 설명 | Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts. |
| 조치사항 | Apply updates per vendor instructions. |
| 랜섬웨어 캠페인 악용 | Unknown |
| CWE | CWE-362 |
| 등록일 (KEV) | 2021-11-03 |
| 조치 기한 | 2022-05-03 |
| 추가 참고 | https://nvd.nist.gov/vuln/detail/CVE-2020-6820 |
NVD 상세 정보
CVSS v3.1: 8.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS v2.0: 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P설명: Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
CWE: CWE-362 | CWE-362
참조
- https://bugzilla.mozilla.org/show_bug.cgi?id=1626728 [Issue Tracking, Permissions Required]
- https://usn.ubuntu.com/4335-1/ [Third Party Advisory]
- https://www.mozilla.org/security/advisories/mfsa2020-11/ [Vendor Advisory]
- https://www.mozilla.org/security/advisories/mfsa2020-14/ [Vendor Advisory]
- https://bugzilla.mozilla.org/show_bug.cgi?id=1626728 [Issue Tracking, Permissions Required]
- https://usn.ubuntu.com/4335-1/ [Third Party Advisory]
- https://www.mozilla.org/security/advisories/mfsa2020-11/ [Vendor Advisory]
- https://www.mozilla.org/security/advisories/mfsa2020-14/ [Vendor Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-6820 [US Government Resource]
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