CVE-2019-20392
published 2020-01-22CVE-2019-20392: An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list…
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
1.86%
76.9th percentile
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | — | — |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| cesnet | libyang | >= 0 < 1.0.176-1 | 1.0.176-1 |
| debian | libyang | < libyang 1.0.176-1 (bullseye) | libyang 1.0.176-1 (bullseye) |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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Red Hat
libyang: invalid memory access when if-feature statement is used inside a list key node
vendor_redhat·2019-03-07·CVSS 6.5
CVE-2019-20392 [MEDIUM] CWE-119 libyang: invalid memory access when if-feature statement is used inside a list key node
libyang: invalid memory access when if-feature statement is used inside a list key node
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
An invalid memory access flaw was discovered in libyang in the function resolve_feature_value() when an if-feature statement is used inside a list key node and the feature used is not defined. Applications that use libyang to process untrusted input YANG files may crash.
Debian
CVE-2019-20392: libyang - An invalid memory access flaw is present in libyang before v1.0-r1 in the functi...
vendor_debian·2019·CVSS 6.5
CVE-2019-20392 [MEDIUM] CVE-2019-20392: libyang - An invalid memory access flaw is present in libyang before v1.0-r1 in the functi...
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
Scope: local
bullseye: resolved (fixed in 1.0.176-1)
forky: resolved (fixed in 1.0.176-1)
sid: resolved (fixed in 1.0.176-1)
trixie: resolved (fixed in 1.0.176-1)
GHSA
GHSA-5xx9-wg6x-hj24: An invalid memory access flaw is present in libyang before v1
ghsa_unreviewed·2022-05-24
CVE-2019-20392 [MEDIUM] CWE-119 GHSA-5xx9-wg6x-hj24: An invalid memory access flaw is present in libyang before v1
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
OSV
CVE-2019-20392: An invalid memory access flaw is present in libyang before v1
osv·2020-01-22·CVSS 6.5
CVE-2019-20392 [MEDIUM] CVE-2019-20392: An invalid memory access flaw is present in libyang before v1
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node [fedora-all]
bugzilla·2020-02-03·CVSS 6.5
CVE-2019-20392 [MEDIUM] CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node [fedora-all]
CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this iss
Bugzilla
CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node
bugzilla·2020-01-22·CVSS 6.5
CVE-2019-20392 [MEDIUM] CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node
CVE-2019-20392 libyang: invalid memory access when if-feature statement is used inside a list key node
An invalid memory access flaw is present in libyang up to version v1.0-r1 in function resolve_feature_value() when a if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
Upstream issue:
https://github.com/CESNET/libyang/issues/723
Upstream fix:
https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5
Discussion:
This was actually fixed in RHEL-8.4.0 as part of the libyang rebase in https://access.redhat.com/errata/RHEA-2021:1906 .
https://bugzilla.redhat.com/show_bug.cgi?id=1793922https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1https://github.com/CESNET/libyang/issues/723https://lists.debian.org/debian-lts-announce/2023/09/msg00019.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1793922https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1https://github.com/CESNET/libyang/issues/723https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
2020-01-22
Published