ALT Linux Team

Package dnsmasq update in c8 on 2017-10-10

ALT-PU-2017-2409-1

Package dnsmasq updated to version 2.78-alt0.M80C.1 for branch c8 in task 190549.

Closed vulnerabilities

Published: 2017-09-25

BDU:2017-02357

Уязвимость функции add_pseudoheader DNS-сервера Dnsmasq, позволяющая нарушителю вызвать отказ в обслуживании

Severity: HIGH (7.5) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH (7.8) Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
References:
Published: 2017-09-25

BDU:2017-02358

Уязвимость DNS-сервера Dnsmasq, вызванная переполнением буфера на стеке, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Severity: CRITICAL (9.8) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
References:
Published: 2017-09-25

BDU:2017-02359

Уязвимость DNS-сервера Dnsmasq, вызванная переполнением буфера в динамической памяти, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Severity: CRITICAL (9.8) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
References:
Published: 2017-09-25

BDU:2017-02360

Уязвимость DNS-сервера Dnsmasq, связанная с переполнением буфера, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Severity: HIGH (7.3) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
References:
Published: 2017-09-25

BDU:2018-00110

Уязвимость DNS-сервера dnsmasq, связанная с недостатками обработки перенаправленных DHCPv6-запросов, позволяющая нарушителю раскрыть защищаемую информацию

Severity: MEDIUM (5.9) Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: MEDIUM (4.3) Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
References:
Published: 2017-09-07

BDU:2022-07423

Уязвимость функции memset() DNS-сервера Dnsmasq, позволяющая нарушителю вызвать отказ в обслуживании

Severity: HIGH (7.5) Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH (7.8) Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-13704

In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.

Severity: MEDIUM (5.0) Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: HIGH (7.5) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2017-10-04
Modified: 2025-04-20

CVE-2017-14491

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.

Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: CRITICAL (9.8) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-14492

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.

Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: CRITICAL (9.8) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-14493

Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DHCPv6 request.

Severity: HIGH (7.5) Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: CRITICAL (9.8) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-14494

dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.

Severity: MEDIUM (4.3) Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: MEDIUM (5.9) Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-14495

Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.

Severity: MEDIUM (5.0) Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: HIGH (7.5) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2017-10-03
Modified: 2025-04-20

CVE-2017-14496

Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.

Severity: HIGH (7.8) Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: HIGH (7.5) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
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