Vulnerability Name:

CVE-2017-7443 (CCN-125963)

Assigned:2017-04-05
Published:2017-04-05
Updated:2017-04-12
Summary: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 v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-113
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-7443

Source: CCN
Type: Debian Bug report logs - #858739
apt-cacher: CVE-2017-7443: HTTP response splitting

Source: CONFIRM
Type: Patch, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=858739

Source: CONFIRM
Type: Patch, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=858833

Source: XF
Type: UNKNOWN
apt-cacher-cve20177443-response-splitting(125963)

Source: CCN
Type: Debian Web site
Caching proxy server for Debian/Ubuntu software repositories

Source: CCN
Type: Debian Web site
caching proxy server for software repositories

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apt-cacher-ng_project:apt-cacher-ng:*:*:*:*:*:*:*:* (Version <= 3.3)
  • OR cpe:/a:apt-cacher_project:apt-cacher:*:*:*:*:*:*:*:* (Version <= 1.7.13)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201774430000000
    V
    		CVE-2017-7443 on Ubuntu 18.04 LTS (bionic) - low.
    2017-04-05
    oval:com.ubuntu.artful:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 17.10 (artful) - low.
    2017-04-05
    oval:com.ubuntu.trusty:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 14.04 LTS (trusty) - low.
    2017-04-05
    oval:com.ubuntu.xenial:def:201774430000000
    V
    		CVE-2017-7443 on Ubuntu 16.04 LTS (xenial) - low.
    2017-04-05
    oval:com.ubuntu.bionic:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 18.04 LTS (bionic) - low.
    2017-04-05
    oval:com.ubuntu.xenial:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 16.04 LTS (xenial) - low.
    2017-04-05
    oval:com.ubuntu.disco:def:201774430000000
    V
    		CVE-2017-7443 on Ubuntu 19.04 (disco) - low.
    2017-04-05
    oval:com.ubuntu.cosmic:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 18.10 (cosmic) - low.
    2017-04-05
    oval:com.ubuntu.cosmic:def:201774430000000
    V
    		CVE-2017-7443 on Ubuntu 18.10 (cosmic) - low.
    2017-04-05
    oval:com.ubuntu.precise:def:20177443000
    V
    		CVE-2017-7443 on Ubuntu 12.04 LTS (precise) - low.
    2017-04-05
    BACK
    apt-cacher-ng_project apt-cacher-ng *
    apt-cacher_project apt-cacher *