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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.205 (97.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.205 · newest: 0.205 · change: 0.000
Affected products
- Klibc — versions 1.5.21, 1.5.20
- Klibc Project
- Debian Linux — versions 8.0, 9.0, 10.0
References
- security-tracker.debian.org/tracker/CVE-2011-1930 (Third Party Advisory)
- access.redhat.com/security/cve/cve-2011-1930 (Third Party Advisory, Not Applicable)
- security.gentoo.org/glsa/glsa-201309-21.xml (Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/05/22/12 (Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/47924 (VDB Entry, Third Party Advisory)
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.