CVE-Katalog
CVE-2018-12437
libtomcrypt: CVE-2018-12437
- Schweregrad
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.54% · Oct 22, 2026
LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libtomcrypt | sid | 1.18.2+dfsg-8 | fixed |
| Debian | libtomcrypt | forky | 1.18.2+dfsg-8 | fixed |
| Debian | libtomcrypt | trixie | 1.18.2+dfsg-7 | fixed |
| Debian | libtomcrypt | bookworm | 1.18.2-6 | fixed |
| Ubuntu | libtomcrypt | 14.04 | 1.17-3.2ubuntu1 | vulnerable |
| Ubuntu | libtomcrypt | 14.04 | 1.17-5 | vulnerable |
| Ubuntu | libtomcrypt | 14.04 | 1.17-5ubuntu0.1 | fixed |
| Ubuntu | libtomcrypt | 16.04 | 1.17-7 | vulnerable |
| Ubuntu | libtomcrypt | 16.04 | 1.17-7ubuntu0.1 | fixed |
| Ubuntu | libtomcrypt | 18.04 | 1.17-9 | vulnerable |
| Ubuntu | libtomcrypt | 18.04 | 1.18.0-1 | vulnerable |
| Ubuntu | libtomcrypt | 18.04 | 1.18.1-1 | vulnerable |
| Ubuntu | libtomcrypt | 18.04 | 1.18.1-1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtomcrypt | source | sid | 1.18.2-1 | low | Not reported | [901626] |
| Debian | libtomcrypt | source | forky | 1.18.2-1 | low | Not reported | [901626] |
| Debian | libtomcrypt | source | trixie | 1.18.2-1 | low | Not reported | [901626] |
| Debian | libtomcrypt | source | bookworm | 1.18.2-1 | low | Not reported | [901626] |
| Ubuntu | libtomcrypt | deb | 14.04 | 1.17-5ubuntu0.1 | Not reported | UBUNTU-CVE-2018-12437 | Not reported |
| Ubuntu | libtomcrypt | deb | 16.04 | 1.17-7ubuntu0.1 | Not reported | UBUNTU-CVE-2018-12437 | Not reported |
| Ubuntu | libtomcrypt | deb | 18.04 | 1.18.1-1ubuntu0.1 | Not reported | UBUNTU-CVE-2018-12437 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtomcrypt1]Behoben
Quellpaket: [libtomcrypt]
Details (2)
1.18.2-6· amd64 · bookwormBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · bookworm; dsa · libtomcrypt · debian · 12
1.18.2-6· arm64 · bookwormBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · bookworm; dsa · libtomcrypt · debian · 12
- [libtomcrypt-dev]Behoben
Quellpaket: [libtomcrypt]
Details (2)
1.18.2-6· amd64 · bookwormBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · bookworm; dsa · libtomcrypt · debian · 12
1.18.2-6· arm64 · bookwormBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · bookworm; dsa · libtomcrypt · debian · 12
[Debian 13 (Trixie)]
- [libtomcrypt1]Behoben
Quellpaket: [libtomcrypt]
Details (2)
1.18.2+dfsg-7+b2· amd64 · trixieBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · 13
1.18.2+dfsg-7+b2· arm64 · trixieBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · 13
- [libtomcrypt-dev]Behoben
Quellpaket: [libtomcrypt]
Details (2)
1.18.2+dfsg-7+b2· amd64 · trixieBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · 13
1.18.2+dfsg-7+b2· arm64 · trixieBehoben · Behoben:
1.18.2-1dsa · libtomcrypt · debian · 13
Beobachtet: