NULL pointer dereference in GNOME Evolution-Data-Server
CVE-2020-16117
In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- GNOME Evolution-Data-Server
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189 (Exploit, Vendor Advisory)
- gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd369… (Patch, Vendor Advisory)
- gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85f… (Release Notes, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00005.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16117?
- CVE-2020-16117 is a medium-severity vulnerability in GNOME Evolution-Data-Server, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2020-07-29.
- How severe is CVE-2020-16117?
- Medium severity. CVSS v3 base score is 5.9 out of 10.