CVE-2020-19860

When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
Affected Products (NVD)
VendorProductVersion
nlnetlabsldns
1.7.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ldns
bookworm
1.8.3-1
fixed
bullseye
no-dsa
buster
no-dsa
sid
1.8.4-1
fixed
trixie
1.8.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ldns
bionic
Fixed 1.7.0-3ubuntu4.1
released
focal
Fixed 1.7.0-4.1ubuntu1+esm1
released
impish
ignored
jammy
Fixed 1.7.1-2ubuntu4+esm1
released
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
Fixed 1.6.17-8ubuntu0.1+esm1
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
ldns-devel
suse enterprise desktop 15 SP3
1.7.0-4.6.1
fixed
suse enterprise desktop 15 SP4
1.7.0-4.6.1
fixed
suse enterprise desktop 15 SP5
1.7.0-4.6.1
fixed
suse enterprise desktop 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise desktop 15 SP7
1.8.3-150600.1.4
fixed
suse enterprise sap 15 SP3
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP4
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP5
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise sap 15 SP7
1.8.3-150600.1.4
fixed
suse enterprise server 15 SP3
1.7.0-4.6.1
fixed
suse enterprise server 15 SP4
1.7.0-4.6.1
fixed
suse enterprise server 15 SP5
1.7.0-4.6.1
fixed
suse enterprise server 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise server 15 SP7
1.8.3-150600.1.4
fixed
libldns2
suse enterprise desktop 15 SP3
1.7.0-4.6.1
fixed
suse enterprise desktop 15 SP4
1.7.0-4.6.1
fixed
suse enterprise desktop 15 SP5
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP3
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP4
1.7.0-4.6.1
fixed
suse enterprise sap 15 SP5
1.7.0-4.6.1
fixed
suse enterprise server 15 SP3
1.7.0-4.6.1
fixed
suse enterprise server 15 SP4
1.7.0-4.6.1
fixed
suse enterprise server 15 SP5
1.7.0-4.6.1
fixed
libldns3
suse enterprise desktop 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise desktop 15 SP7
1.8.3-150600.1.4
fixed
suse enterprise sap 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise sap 15 SP7
1.8.3-150600.1.4
fixed
suse enterprise server 15 SP6
1.8.3-150600.1.4
fixed
suse enterprise server 15 SP7
1.8.3-150600.1.4
fixed
Common Weakness Enumeration
References
https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3
https://github.com/NLnetLabs/ldns/issues/50
https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3
https://github.com/NLnetLabs/ldns/issues/50