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ubuntucveUbuntu.comUB:CVE-2023-46853
HistoryOct 27, 2023 - 12:00 a.m.

CVE-2023-46853

2023-10-2700:00:00
ubuntu.com
ubuntu.com
8
cve-2023-46853
off-by-one error
proxy requests
proxy mode
new line
version 1.6.13
unix

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

43.8%

In Memcached before 1.6.22, an off-by-one error exists when processing
proxy requests in proxy mode, if \n is used instead of \r\n.

Notes

Author Note
mdeslaur proxy was introduced in 1.6.13
OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchmemcached< 1.6.14-1ubuntu0.1UNKNOWN
ubuntu23.04noarchmemcached< 1.6.18-1ubuntu0.1UNKNOWN
ubuntu23.10noarchmemcached< 1.6.21-1ubuntu0.23.10.1UNKNOWN

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

43.8%