CVE-2019-13627

Name	CVE-2019-13627
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1931-1, DLA-1931-2
Debian Bugs	938938

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libgcrypt20 (PTS)	jessie, jessie (lts)	1.6.3-2+deb8u9	fixed
	stretch (security), stretch (lts), stretch	1.7.6-2+deb9u4	vulnerable
	buster	1.8.4-5+deb10u1	vulnerable
	bullseye	1.8.7-6	fixed
	bookworm	1.10.1-3	fixed
	sid, trixie	1.11.0-6	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libgcrypt11	source	wheezy	(not affected)
libgcrypt11	source	(unstable)	(unfixed)
libgcrypt20	source	wheezy	(unfixed)	end-of-life
libgcrypt20	source	jessie	1.6.3-2+deb8u8		DLA-1931-2
libgcrypt20	source	(unstable)	1.8.5-1			938938

Notes

[buster] - libgcrypt20 <no-dsa> (Minor issue)
[stretch] - libgcrypt20 <no-dsa> (Minor issue)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=b9577f7c89b4327edc09f2231bc8b31521102c79 (master)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=7c2943309d14407b51c8166c4dcecb56a3628567 (master)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=d5407b78cca9f9d318a4f4d2f6ba2b8388584cd9 (1.8.5)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=db4e9976cc31b314aafad6626b2894e86ee44d60 (1.8.5)
[wheezy] - libgcrypt11 <not-affected> (vulnerable code not present)