VulnerabilityModified
CVE-2011-1930
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.
CRITICAL 9.8EPSS 20.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 20.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 20.53% probability · 97th percentile
- CISA KEV
- Not listed
- Affected
- klibc project/klibc · debian/debian linux
- Source
- secalert@redhat.com
References
- http://security.gentoo.org/glsa/glsa-201309-21.xmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/22/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/47924Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2011-1930Not Applicable, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-1930Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201309-21.xmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/05/22/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/47924Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2011-1930Not Applicable, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-1930Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.