critical9.8Public exploit code
CVE-2011-1930
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- klibc 1.5.2 - DHCP Options Processing Remote Shell Command Execution2011-05-18 · remote · linux · Verified
Impact
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Klibc Project | Klibc | before 1.5.25 |
| Debian | Debian Linux | Versions 8.0, 9.0, 10.0 |
References
- NVD record
- CVE.org record
- 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
- 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