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cve[email protected]CVE-2016-8860
HistoryJan 04, 2017 - 8:59 p.m.

CVE-2016-8860

2017-01-0420:59:00
CWE-119
web.nvd.nist.gov
27
cve-2016-8860
tor
dos
buffer overflow
nvd
security advisory

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.049 Low

EPSS

Percentile

92.8%

Tor before 0.2.8.9 and 0.2.9.x before 0.2.9.4-alpha had internal functions that were entitled to expect that buf_t data had NUL termination, but the implementation of or/buffers.c did not ensure that NUL termination was present, which allows remote attackers to cause a denial of service (client, hidden service, relay, or authority crash) via crafted data.

Affected configurations

NVD
Node
torprojecttorRange0.2.8.8
OR
torprojecttorMatch0.2.9.0alpha
OR
torprojecttorMatch0.2.9.1alpha
OR
torprojecttorMatch0.2.9.2alpha
OR
torprojecttorMatch0.2.9.3alpha

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.049 Low

EPSS

Percentile

92.8%