CVE-2023-50980 Denial of service in n/a
Attackers can crash applications using Crypto++ by providing malformed DER public-key data for F(2^m) curves, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-50980?
CVE-2023-50980 is a high-severity denial of service vulnerability in n/a, published on 18 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) via DER public-key data for an F(2^m) curve, if the degree of each term in the polynomial is not strictly decreasing.
Which versions are affected by CVE-2023-50980?
It affects 1 product.
Linux distribution packages (6)
libcryptopp SUSE:Linux Enterprise Module for Basesystem 15 SP5 | All versions | 8.6.0-150400.3.3.1 |
libcryptopp SUSE:Linux Enterprise Real Time 15 SP4 | All versions | 8.6.0-150400.3.3.1 |
libcryptopp openSUSE:Leap 15.4 | All versions | 5.6.5-150000.1.9.1 |
libcryptopp openSUSE:Leap 15.4 | All versions | 8.6.0-150400.3.3.1 |
libcryptopp openSUSE:Leap 15.5 | All versions | 8.6.0-150400.3.3.1 |
libcryptopp openSUSE:Tumbleweed | All versions | 8.9.0-1.1 |
Products include Cryptopp Crypto\+\+.
How do I fix CVE-2023-50980?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-50980 being exploited?
There is no known exploitation of CVE-2023-50980 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2023-50980, GHSA-x2gw-hrqg-xq6x, JLSEC-2026-1272, SUSE-SU-2023:4957-1, SUSE-SU-2024:0030-1, UBUNTU-CVE-2023-50980 and 1 more.