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.

Affected

klibc

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

20.53% chance of exploitation in the next 30 days, 97th percentile

Published

2019-11-14

Updated

2024-08-06

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/35785

Security advisories

• http://security.gentoo.org/glsa/glsa-201309-21.xml
• http://www.openwall.com/lists/oss-security/2012/05/22/12
• http://www.securityfocus.com/bid/47924
• https://access.redhat.com/security/cve/cve-2011-1930
• https://security-tracker.debian.org/tracker/CVE-2011-1930

References

• CVE Record
• NVD entry