CVE-2019-17582
A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858."
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.45% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- libzip/libzip
- Source
- cve@mitre.org
References
- https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796Patch, Third Party Advisory
- https://github.com/nih-at/libzip/issues/5Third Party Advisory
- https://libzip.org/libzip-discuss/Release Notes, Vendor Advisory
- https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796Patch, Third Party Advisory
- https://github.com/nih-at/libzip/issues/5Third Party Advisory
- https://libzip.org/libzip-discuss/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.