CVE-2019-18408
HIGHCVSS 7.5/10EPSS 4.04%
Last modified
CVE-2019-18408 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.. EPSS estimates a 4.04% chance of exploitation in the next 30 days.
Description
archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libarchive | Libarchive | < 3.4.0 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689Third Party Advisory
- https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00034.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4169-1/Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689Third Party Advisory
- https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00034.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4169-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-18408?
archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.
How severe is CVE-2019-18408?
CVE-2019-18408 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18408?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-18408?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST