Critical severity · published Nov 14, 2019
CVE-2011-1930
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped
9.8
CVSS
20.5%
EPSS
No
On KEV
Description
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.5% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
KL
Klibc · Klibc Project
before 1.5.25 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1930
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1930
Third Party Advisory
http://security.gentoo.org/glsa/glsa-201309-21.xml
Mailing List
http://www.openwall.com/lists/oss-security/2012/05/22/12
Third Party Advisory
http://www.securityfocus.com/bid/47924
Not Applicable
https://access.redhat.com/security/cve/cve-2011-1930
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-1930
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