CVE-2018-10903 is a high-severity vulnerability in python-cryptography versions 1.9.0 to 2.2, affecting products like Canonical and Red Hat OpenStack and Ubuntu Linux. The flaw allows an attacker to bypass the MAC check in the finalize_with_tag API with a 1 in 256 chance by crafting a shortened tag, potentially leading to key leakage. With a CVSS score of 7.5, it represents a network-exploitable vulnerability with high confidentiality impact. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.9.0, < 2.3CPE matchmatch criteria | cpe:2.3:a:cryptography:python-cryptography:*:*:*:*:*:*:*:* | ||
13CPE matchmatch criteria | cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.