ΠΠΏΠΈΡΠ°Π½ΠΈΠ΅
Security update for dhcp
This update for dhcp fixes the following issues:
Security issues fixed:
- CVE-2018-5733: reference count overflow in dhcpd (bsc#1083303).
- CVE-2018-5732: buffer overflow in dhclient (bsc#1083302).
This update was imported from the SUSE:SLE-12-SP1:Update update project.
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openSUSE Leap 42.3
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- E-Mail link for openSUSE-SU-2018:0827-1
- SUSE Security Ratings
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Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0
ΠΠ°ΡΡΠΎΠ½ΡΡΡΠ΅ ΠΏΡΠΎΠ΄ΡΠΊΡΡ
Π‘ΡΡΠ»ΠΊΠΈ
- CVE-2018-5732
- SUSE Bug 1083302
- SUSE Bug 1085417
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A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.
ΠΠ°ΡΡΠΎΠ½ΡΡΡΠ΅ ΠΏΡΠΎΠ΄ΡΠΊΡΡ
Π‘ΡΡΠ»ΠΊΠΈ
- CVE-2018-5733
- SUSE Bug 1083303
- SUSE Bug 1085417