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CVE-2020-19860

Description

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.

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.131

Associated Vulnerability

VulnerabilityOS Platform
ldns library for DNS programming (USN-5257-1) libldns2_1.7.0-3ubuntu4.1_i386.debLinux
ldns library for DNS programming (USN-5257-1) libldns2_1.7.0-3ubuntu4.1_amd64.debLinux
ldns Security Update (ALAS-2023-2032) ldns-1.6.16-10.amzn2.0.3.i686.rpmLinux
ldns Security Update (ALAS-2023-2032) ldns-1.6.16-10.amzn2.0.3.x86_64.rpmLinux
ldns Security Update (ALAS-2023-2032) ldns-doc-1.6.16-10.amzn2.0.3.noarch.rpmLinux
ldns Security Update (ALAS-2023-2032) ldns-devel-1.6.16-10.amzn2.0.3.x86_64.rpmLinux
ldns Security Update (ALAS-2023-2032) ldns-python-1.6.16-10.amzn2.0.3.x86_64.rpmLinux
ldns Security Update (ALAS2-2023-2032) ldns-1.6.16-10.amzn2.0.3.x86_64.rpmLinux
ldns Security Update (ALAS2-2023-2032) ldns-1.6.16-10.amzn2.0.3.i686.rpmLinux
ldns Security Update (ALAS2-2023-2032) ldns-devel-1.6.16-10.amzn2.0.3.x86_64.rpmLinux
ldns Security Update (ALAS2-2023-2032) ldns-doc-1.6.16-10.amzn2.0.3.noarch.rpmLinux
ldns Security Update (ALAS2-2023-2032) ldns-python-1.6.16-10.amzn2.0.3.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234