CVE-2018-1000807 — Use After Free in Pyopenssl

CWE-416 — Use After Free12 documents8 sources
Severity
8.1HIGHNVD
EPSS
3.0%
top 13.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
PyopensslCanonical Ubuntu LinuxRedhat Enterprise Linux Desktop+3 more
Timeline
PublishedOct 8
Latest updateNov 8

Description

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages8 packages

▶NVDpyopenssl/pyopenssl< 17.5.0
▶PyPIpyopenssl/pyopenssl< 17.5.0
▶Debianpyopenssl/pyopenssl< 17.5.0-1+3
▶Ubuntupyopenssl/pyopenssl< 0.15.1-2ubuntu0.2

Also affects: Ubuntu Linux 16.04

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

5
OSV
pyopenssl vulnerabilities↗2018-11-08
▶
GHSA
PyOpenSSL Use-After-Free vulnerability↗2018-10-10
▶
OSV
PyOpenSSL Use-After-Free vulnerability↗2018-10-10
▶
OSV
CVE-2018-1000807: Python Cryptographic Authority pyopenssl version prior to version 17↗2018-10-08
▶
CVEList
CVE-2018-1000807: Python Cryptographic Authority pyopenssl version prior to version 17↗2018-10-08
▶

📋Vendor Advisories

3
Ubuntu
pyOpenSSL vulnerabilities↗2018-11-08
▶
Debian
CVE-2018-1000807: pyopenssl - Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contain...↗2018
▶
Red Hat
pyOpenSSL: Use-after-free in X509 object handling↗2017-11-29
▶

💬Community

3
Bugzilla
CVE-2018-1000807 CVE-2018-1000808 pyOpenSSL: various flaws [fedora-28]↗2018-10-17
▶
Bugzilla
CVE-2018-1000807 pyOpenSSL: Use-after-free in X509 object handling↗2018-10-17
▶
Bugzilla
CVE-2018-1000807 CVE-2018-1000808 pyOpenSSL: various flaws [openstack-rdo]↗2018-10-17
▶
CVE-2018-1000807 — Use After Free in Pyopenssl | cvebase