| Name | CVE-2015-7705 |
| Description | The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ntp (PTS) | jessie, jessie (lts) | 1:4.2.6.p5+dfsg-7+deb8u3 | vulnerable |
| stretch | 1:4.2.8p10+dfsg-3+deb9u2 | fixed |
| buster, buster (lts) | 1:4.2.8p12+dfsg-4+deb10u1 | fixed |
| bullseye | 1:4.2.8p15+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ntp | source | (unstable) | 1:4.2.8p4+dfsg-3 | | | |
Notes
[jessie] - ntp <no-dsa> (Default config not affected)
[wheezy] - ntp <no-dsa> (Default config not affected)
[squeeze] - ntp <no-dsa> (Default config not affected)
http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
https://github.com/ntp-project/ntp/commit/21d57dc336dbe9a975baca5ce5ae4da5b71ff123
https://github.com/ntp-project/ntp/commit/492758c3d0690d3ccf7130fabfcf670997f12f7b
Original fix was reported broken, then fixed in http://bugs.ntp.org/show_bug.cgi?id=2952 (4.2.8p7)
Original upsteam bug: http://support.ntp.org/bin/view/Main/NtpBug2901