CVE-2011-2748: canonical ubuntu_linux Improper Input Validation
CVSS: 7.8v2.0HighModified
AliasesDEBIAN-CVE-2011-2748
Published 15-08-2011Last modified 06-08-2024
Vulnerability summary
CVE-2011-2748 is a high (CVSS 7.8) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 38.77% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
38.77%
0%100%
High · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 15-08-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted DHCP packet.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
38.77%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 38.77% on 18-09-2026
18-09-202618-10-2026
EPSS score38.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- isc-dhcp< 4.2.2-1
- debian_linuxEOL5.0 | 6.0 | 7.0
Canonical1 product
- ubuntu_linuxEOL8.04 | 10.04 | 10.10 | 11.04
Isc1 product
- dhcp3.0 | 3.0.1 | 3.0.1:rc1 | 3.0.1:rc10 | 3.0.1:rc11 | 3.0.1:rc12 | 3.0.1:rc13 | 3.0.1:rc14 | 3.0.1:rc2 | 3.0.1:rc5 | 3.0.1:rc6 | 3.0.1:rc7 | 3.0.1:rc8 | 3.0.1:rc9 | 3.0.2 | 3.0.2:b1 | 3.0.2:rc1 | 3.0.2:rc2 | 3.0.2:rc3 | 3.0.3:b1 | 3.0.3:b2 | 3.0.3:b3 | 3.0.4 | 3.0.4:b1 | 3.0.4:b2 | 3.0.4:b3 | 3.0.4:rc1 | 3.0.5 | 3.0.5:rc1 | 3.0.6:rc1 | 3.1 | 3.1-esv | 3.1.0 | 3.1.0:a1 | 3.1.0:a2 | 3.1.0:a3 | 3.1.0:b1 | 3.1.0:b2 | 3.1.0:rc1 | 3.1.1 | 3.1.1:rc1 | 3.1.1:rc2 | 3.1.2 | 3.1.2:b1 | 3.1.2:rc1 | 3.1.3 | 3.1.3:b1 | 3.1.3:rc1 | 4.0 | 4.0-esv | 4.0.0 | 4.0.1 | 4.0.1:b1 | 4.0.1:rc1 | 4.0.2 | 4.0.2:b1 | 4.0.2:b2 | 4.0.2:b3 | 4.0.2:rc1 | 4.0.3 | 4.0.3:b1 | 4.0.3:rc1 | 4.1-esv | 4.1-esv:r1 | 4.1-esv:r2 | 4.1-esv:r3 | 4.1-esv:r3_b1 | 4.1-esv:rc1 | 4.1.0 | 4.1.1 | 4.1.1:b1 | 4.1.1:b2 | 4.1.1:b3 | 4.1.1:rc1 | 4.1.2 | 4.2.0 | 4.2.0:a1 | 4.2.0:a2 | 4.2.0:b1 | 4.2.0:b2 | 4.2.0:p1 | 4.2.0:rc1 | 4.2.1 | 4.2.1:b1 | 4.2.1:rc1
3 vendors · 4 products
References
27 links- lists.fedoraproject.org/pipermail/package-announce/2011-September/065176.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.opensuse.org/opensuse-updates/2011-09/msg00014.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.redhat.com/support/errata/RHSA-2011-1160.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
Show all 27 references
- bugzilla.redhat.com/attachment.cgi?id=517665&action=diffX Refsource CONFIRMIssue TrackingThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2011:128Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory