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archlinuxArch LinuxASA-201607-14
HistoryJul 30, 2016 - 12:00 a.m.

libidn: denial of service

2016-07-3000:00:00
Arch Linux
lists.archlinux.org
25

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

73.0%

  • CVE-2015-8948 (denial of service)

Solve out-of-bounds-read when reading one zero byte as input. Also
replaced fgets with getline. Reported by Hanno Boeck.

  • CVE-2016-6261 (denial of service)

Fix out-of-bounds stack read in idna_to_ascii_4i. Reported by Hanno Boeck.

  • CVE-2016-6262 (denial of service)

Really fix bug when reading \00 inputs. This issue results from an
incomplete fix for CVE-2015-8948.

  • CVE-2016-6263 (denial of service)

stringprep_utf8_nfkc_normalize reject invalid UTF-8. It was always
documented to only accept UTF-8 data, but now it doesn’t crash when
presented with such data. Reported by Hanno Boeck.

OSVersionArchitecturePackageVersionFilename
anyanyanylibidn< 1.33-1UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

73.0%