CVE-2019-13627
First published: Wed Sep 25 2019(Updated: )
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/libgcrypt11 | <1.5.3-2ubuntu4.6+ | 1.5.3-2ubuntu4.6+ |
| ubuntu/libgcrypt20 | <1.8.1-4ubuntu1.2 | 1.8.1-4ubuntu1.2 |
| ubuntu/libgcrypt20 | <1.8.4-3ubuntu1.1 | 1.8.4-3ubuntu1.1 |
| ubuntu/libgcrypt20 | <1.8.4-5ubuntu2.1 | 1.8.4-5ubuntu2.1 |
| ubuntu/libgcrypt20 | <1.8.5-1 | 1.8.5-1 |
| ubuntu/libgcrypt20 | <1.6.5-2ubuntu0.6 | 1.6.5-2ubuntu0.6 |
| debian/libgcrypt20 | 1.8.7-6 1.10.1-3 1.11.0-6 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.04 | |
| Ubuntu Linux | =19.10 | |
| openSUSE | =15.0 | |
| openSUSE | =15.1 | |
| All of | ||
| GNU Libgcrypt | =1.6.3-2\+deb8u4 | |
| Debian Debian Linux | =8.0 | |
| All of | ||
| GNU Libgcrypt | =1.7.6-2\+deb9u3 | |
| Debian Debian Linux | =9.0 | |
| All of | ||
| GNU Libgcrypt | =1.8.4-5 | |
| Debian Debian Linux | =10.0 | |
| GNU Libgcrypt | =1.6.3-2\+deb8u4 | |
| Debian Debian Linux | =8.0 | |
| GNU Libgcrypt | =1.7.6-2\+deb9u3 | |
| Debian Debian Linux | =9.0 | |
| GNU Libgcrypt | =1.8.4-5 | |
| Debian Debian Linux | =10.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html
- http://www.openwall.com/lists/oss-security/2019/10/02/2
- https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
- https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html
- https://minerva.crocs.fi.muni.cz/
- https://security-tracker.debian.org/tracker/CVE-2019-13627
- https://security.gentoo.org/glsa/202003-32
- https://usn.ubuntu.com/4236-1/
- https://usn.ubuntu.com/4236-2/
- https://usn.ubuntu.com/4236-3/
- https://launchpad.net/bugs/cve/CVE-2019-13627
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=b9577f7c89b4327edc09f2231bc8b31521102c79
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=7c2943309d14407b51c8166c4dcecb56a3628567
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=d5407b78cca9f9d318a4f4d2f6ba2b8388584cd9
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=db4e9976cc31b314aafad6626b2894e86ee44d60
- https://ubuntu.com/security/notices/USN-4236-1
- https://ubuntu.com/security/notices/USN-4236-2
- https://ubuntu.com/security/notices/USN-4236-3
- https://www.cve.org/CVERecord?id=CVE-2019-13627
- https://nvd.nist.gov/vuln/detail/CVE-2019-13627
- https://ubuntu.com/security/CVE-2019-13627
Frequently Asked Questions
What is CVE-2019-13627?
CVE-2019-13627 refers to a ECDSA timing attack vulnerability in the libgcrypt20 cryptographic library.
How severe is CVE-2019-13627?
CVE-2019-13627 has a severity value of 6.3, which is considered medium.
Which versions of libgcrypt20 are affected by CVE-2019-13627?
Versions 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4 of libgcrypt20 are affected by CVE-2019-13627.
How can I fix CVE-2019-13627?
To fix CVE-2019-13627, update to version 1.8.5-2 or 1.6.3-2+deb8u7 of libgcrypt20.
Where can I find more information about CVE-2019-13627?
You can find more information about CVE-2019-13627 at the following references: [Link 1](https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5), [Link 2](https://security-tracker.debian.org/tracker/CVE-2019-13627), [Link 3](https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html).
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