Vulnerability Details : CVE-2020-9308
archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-9308
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-9308
0.62%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-9308
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
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
|
NIST |
CWE ids for CVE-2020-9308
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-9308
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J76F7VU7HC3GBKG5SAKTRBOFOI3RGO6M/
[SECURITY] Fedora 31 Update: libarchive-3.4.3-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202003-28
libarchive: Multiple vulnerabilities (GLSA 202003-28) — Gentoo securityThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6OTE7GWASH2ZOVG5H3HEN5PR6B3KF7JB/
[SECURITY] Fedora 32 Update: libarchive-3.4.3-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a
RAR5 reader: reject files that declare invalid header flags by antekone · Pull Request #1326 · libarchive/libarchive · GitHubPatch;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20459
Inloggen - Google AccountsIssue Tracking;Patch;Third Party Advisory
-
https://github.com/libarchive/libarchive/pull/1326
RAR5 reader: reject files that declare invalid header flags by antekone · Pull Request #1326 · libarchive/libarchive · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/4293-1/
USN-4293-1: libarchive vulnerabilities | Ubuntu security noticesThird Party Advisory
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