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ubuntucveUbuntu.comUB:CVE-2015-7547
HistoryFeb 16, 2016 - 12:00 a.m.

CVE-2015-7547

2016-02-1600:00:00
ubuntu.com
ubuntu.com
7

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.974 High

EPSS

Percentile

99.9%

Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc
functions in the libresolv library in the GNU C Library (aka glibc or
libc6) before 2.23 allow remote attackers to cause a denial of service
(crash) or possibly execute arbitrary code via a crafted DNS response that
triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6
address family, related to performing “dual A/AAAA DNS queries” and the
libnss_dns.so.2 NSS module.

Bugs

Notes

Author Note
jdstrand stable-phone-overlay will be updated in OTA 9.1 tyhicks alerted the Snappy team for an emergency update
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarcheglibc< 2.15-0ubuntu10.13UNKNOWN
ubuntu14.04noarcheglibc< 2.19-0ubuntu6.7UNKNOWN
ubuntu15.10noarchglibc< 2.21-0ubuntu4.1UNKNOWN

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.974 High

EPSS

Percentile

99.9%