Path Traversal in Oracle Communications Cloud Native Core Network Function Environment
CVE-2019-20916
The pip package before 19.2 for Python allows Directory Traversal when a URL is given in an install command, because a Content-Disposition header can have ../ in a filename, as demonstrated by overwriting the /root/.ssh/authorized_keys file. This occurs in _download_http_url in _internal/download.py.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.030 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: -0.000
Affected products
- Oracle Communications Cloud Native Core Network Function Environment — versions 1.10.0, 22.1.0
- Oracle Communications Cloud Native Core Policy — versions 1.15.0
- Pypa Pip
- Debian Linux — versions 9.0
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/pypa/pip/issues/6413 (Exploit, Patch)
- github.com/gzpan123/pip/commit/a4c735b14a62f9cb864533808ac63936704f2ace (Patch)
- github.com/pypa/pip/compare/19.1.1...19.2 (Patch)
- lists.debian.org/debian-lts-announce/2020/09/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00005.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00010.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
- www.oracle.com/security-alerts/cpujul2022.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20916?
- CVE-2019-20916 is a high-severity vulnerability in Oracle Communications Cloud Native Core Network Function Environment, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-09-04.
- How severe is CVE-2019-20916?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-20916 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.