CVE-2016-2774 ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion...
MediumCVSS 5.9
EPSS 73.6%
- Published
- Updated
- Exploit status
- No public exploit known
Description
ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/isc-dhcp(Debian:12) | < 4.3.4-1 | 4.3.4-1 |
| debian/isc-dhcp(Debian:13) | < 4.3.4-1 | 4.3.4-1 |
| isc dhcp | = 4.1-esv | No fix listed |
| isc dhcp | = 4.1-esv-r1 | No fix listed |
| isc dhcp | = 4.1-esv-r10 | No fix listed |
| isc dhcp | = 4.1-esv-r10_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r11_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r11_rc1 | No fix listed |
| isc dhcp | = 4.1-esv-r11_rc2 | No fix listed |
| isc dhcp | = 4.1-esv-r12 | No fix listed |
| isc dhcp | = 4.1-esv-r12_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r2 | No fix listed |
| isc dhcp | = 4.1-esv-r3 | No fix listed |
| isc dhcp | = 4.1-esv-r3_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r4 | No fix listed |
| isc dhcp | = 4.1-esv-r5 | No fix listed |
| isc dhcp | = 4.1-esv-r5_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r5_rc1 | No fix listed |
| isc dhcp | = 4.1-esv-r5_rc2 | No fix listed |
| isc dhcp | = 4.1-esv-r6 | No fix listed |
| isc dhcp | = 4.1-esv-r7 | No fix listed |
| isc dhcp | = 4.1-esv-r8 | No fix listed |
| isc dhcp | = 4.1-esv-r8_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r8_rc1 | No fix listed |
| isc dhcp | = 4.1-esv-r9 | No fix listed |
Show 72 more
| Product | Affected versions | Fixed in |
|---|---|---|
| isc dhcp | = 4.1-esv-r9_b1 | No fix listed |
| isc dhcp | = 4.1-esv-r9_rc1 | No fix listed |
| isc dhcp | = 4.1-esv-rc1 | No fix listed |
| isc dhcp | = 4.1.0 | No fix listed |
| isc dhcp | = 4.1.0-a1 | No fix listed |
| isc dhcp | = 4.1.0-a2 | No fix listed |
| isc dhcp | = 4.1.0-b1 | No fix listed |
| isc dhcp | = 4.1.1 | No fix listed |
| isc dhcp | = 4.1.1-b1 | No fix listed |
| isc dhcp | = 4.1.1-b2 | No fix listed |
| isc dhcp | = 4.1.1-b3 | No fix listed |
| isc dhcp | = 4.1.1-p1 | No fix listed |
| isc dhcp | = 4.1.1-rc1 | No fix listed |
| isc dhcp | = 4.1.2 | No fix listed |
| isc dhcp | = 4.1.2-b1 | No fix listed |
| isc dhcp | = 4.1.2-p1 | No fix listed |
| isc dhcp | = 4.1.2-rc1 | No fix listed |
| isc dhcp | = 4.2.0 | No fix listed |
| isc dhcp | = 4.2.0-a1 | No fix listed |
| isc dhcp | = 4.2.0-a2 | No fix listed |
| isc dhcp | = 4.2.0-b1 | No fix listed |
| isc dhcp | = 4.2.0-b2 | No fix listed |
| isc dhcp | = 4.2.0-p1 | No fix listed |
| isc dhcp | = 4.2.0-p2 | No fix listed |
| isc dhcp | = 4.2.0-rc1 | No fix listed |
| isc dhcp | = 4.2.1 | No fix listed |
| isc dhcp | = 4.2.1-b1 | No fix listed |
| isc dhcp | = 4.2.1-p1 | No fix listed |
| isc dhcp | = 4.2.1-rc1 | No fix listed |
| isc dhcp | = 4.2.2 | No fix listed |
| isc dhcp | = 4.2.2-b1 | No fix listed |
| isc dhcp | = 4.2.2-rc1 | No fix listed |
| isc dhcp | = 4.2.3 | No fix listed |
| isc dhcp | = 4.2.3-p1 | No fix listed |
| isc dhcp | = 4.2.3-p2 | No fix listed |
| isc dhcp | = 4.2.4 | No fix listed |
| isc dhcp | = 4.2.4-b1 | No fix listed |
| isc dhcp | = 4.2.4-p1 | No fix listed |
| isc dhcp | = 4.2.4-p2 | No fix listed |
| isc dhcp | = 4.2.4-rc1 | No fix listed |
| isc dhcp | = 4.2.4-rc2 | No fix listed |
| isc dhcp | = 4.2.5 | No fix listed |
| isc dhcp | = 4.2.5-b1 | No fix listed |
| isc dhcp | = 4.2.5-p1 | No fix listed |
| isc dhcp | = 4.2.5-rc1 | No fix listed |
| isc dhcp | = 4.2.6 | No fix listed |
| isc dhcp | = 4.2.6-b1 | No fix listed |
| isc dhcp | = 4.2.6-rc1 | No fix listed |
| isc dhcp | = 4.2.7 | No fix listed |
| isc dhcp | = 4.2.7-b1 | No fix listed |
| isc dhcp | = 4.2.7-rc1 | No fix listed |
| isc dhcp | = 4.2.8 | No fix listed |
| isc dhcp | = 4.2.8-b1 | No fix listed |
| isc dhcp | = 4.2.8-rc1 | No fix listed |
| isc dhcp | = 4.2.8-rc2 | No fix listed |
| isc dhcp | = 4.3.0 | No fix listed |
| isc dhcp | = 4.3.0-a1 | No fix listed |
| isc dhcp | = 4.3.0-b1 | No fix listed |
| isc dhcp | = 4.3.0-rc1 | No fix listed |
| isc dhcp | = 4.3.1 | No fix listed |
| isc dhcp | = 4.3.1-b1 | No fix listed |
| isc dhcp | = 4.3.1-rc1 | No fix listed |
| isc dhcp | = 4.3.2 | No fix listed |
| isc dhcp | = 4.3.2-b1 | No fix listed |
| isc dhcp | = 4.3.2-rc1 | No fix listed |
| isc dhcp | = 4.3.2-rc2 | No fix listed |
| isc dhcp | = 4.3.3 | No fix listed |
| isc dhcp | = 4.3.3-b1 | No fix listed |
| debian linux | = 8.0 | No fix listed |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.10 | No fix listed |
References
- Debian Security Tracker CVE-2016-2774 vendor-advisory
- FEDORA-2016-c93d49faf3 third-party-advisory vendor-advisory
- FEDORA-2016-821f013cb1 third-party-advisory vendor-advisory
- openSUSE-SU-2016:1843 mailing-list third-party-advisory vendor-advisory
- RHSA-2016:2590 third-party-advisory vendor-advisory
- www.oracle.com third-party-advisory
- 84208 third-party-advisory vdb-entry
- 1035196 third-party-advisory vdb-entry
- kb.isc.org vendor-advisory
- [debian-lts-announce] 20191124 [SECURITY] [DLA 2003-1] isc-dhcp security update mailing-list third-party-advisory
- USN-3586-1 third-party-advisory vendor-advisory
- bugs.debian.org issue-tracking