CVE-2017-7443 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Severity

43%

Complexity

86%

Confidentiality

48%

apt-cacher before 1.7.15 and apt-cacher-ng before 3.4 allow HTTP response splitting via encoded newline characters, related to lack of blocking for the %0[ad] regular expression.

apt-cacher before 1.7.15 and apt-cacher-ng before 3.4 allow HTTP response splitting via encoded newline characters, related to lack of blocking for the %0[ad] regular expression.

CVSS 3.0 Base Score 6.1. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N).

Demo Examples

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Overview

First reported 8 years ago

2017-04-05 20:59:00

Last updated 8 years ago

2017-04-12 15:20:00

Affected Software

Apt-cacher-ng Project Apt-cacher-ng

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=858739

Patch, Third Party Advisory

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=858833

Patch, Third Party Advisory

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