Vulnerability in Klibc
CVE-2011-1930
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP options.
EPSS: 0.205 (97.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Klibc — versions 1.5.21, 1.5.20
- Klibc_project Klibc
- Debian Debian_linux — versions 8.0, 9.0, 10.0
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Not Applicable)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2011-1930?
- CVE-2011-1930 is a critical-severity vulnerability in Klibc. CVSS score: 9.8/10. Published 2019-11-14.
- How severe is CVE-2011-1930?
- Critical severity. CVSS v3 base score is 9.8 out of 10.