CVE-2011-1930: debian debian_linux
Vulnerability summary
CVE-2011-1930 is a high (CVSS 10.0) vulnerability in debian debian_linux. EPSS estimates a 20.53% chance of exploitation in the next 30 days, higher than 97.4% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 0 · Duplicates 1Timeline
- 14-11-2019PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versions- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
20.53%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 20.53% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundklibc 1.5.2 - DHCP Options Processing Remote Shell Command Execution
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian2 products
- klibc< 1.5.22-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Klibc1 product
- klibc1.5.20 | 1.5.21
Klibc_project1 product
- klibc< 1.5.25
3 vendors · 4 products