CVE-2011-1930 In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could....
CriticalCVSS 9.8
EPSS 20.5%
- Published
- Updated
- Exploit status
- No public exploit known
Description
In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/klibc(Debian:12) | < 1.5.22-1 | 1.5.22-1 |
| debian/klibc(Debian:13) | < 1.5.22-1 | 1.5.22-1 |
| debian/klibc(Debian:14) | < 1.5.22-1 | 1.5.22-1 |
| klibc project klibc | < 1.5.25 | 1.5.25 |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| debian linux | = 10.0 | No fix listed |
| klibc | = 1.5.20 | No fix listed |
| klibc | = 1.5.21 | No fix listed |
References
- Debian Security Tracker CVE-2011-1930 third-party-advisory vendor-advisory
- security.gentoo.org third-party-advisory
- www.openwall.com mailing-list third-party-advisory
- www.securityfocus.com third-party-advisory vdb-entry
- access.redhat.com not-applicable third-party-advisory