CVE-2017-13089 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
The http.c:skip_short_body() function is called in some circumstances, such as when processing redirects. When the response is sent chunked in wget before 1.19.2, the chunk parser uses strtol() to read each chunk's length, but doesn't check that the chunk length is a non-negative number. The code then tries to skip the chunk in pieces of 512 bytes by using the MIN() macro, but ends up passing the negative chunk length to connect.c:fd_read(). As fd_read() takes an int argument, the high 32 bits of the chunk length are discarded, leaving fd_read() with a completely attacker controlled length argument.
Source:
MITRE
Description Last Modified:
10/27/2017
View Analysis Description
Analysis Description
The http.c:skip_short_body() function is called in some circumstances, such as when processing redirects. When the response is sent chunked in wget before 1.19.2, the chunk parser uses strtol() to read each chunk's length, but doesn't check that the chunk length is a non-negative number. The code then tries to skip the chunk in pieces of 512 bytes by using the MIN() macro, but ends up passing the negative chunk length to connect.c:fd_read(). As fd_read() takes an int argument, the high 32 bits of the chunk length are discarded, leaving fd_read() with a completely attacker controlled length argument.
Source:
MITRE
Description Last Modified:
10/27/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
8.8 HIGH
Vector:
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
9.3 HIGH
Vector:
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
(V2 legend)
Impact Subscore:
10.0
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
Complete
Integrity (I):
Complete
Availability (A):
Complete
Additional Information:
Victim must voluntarily interact with attack mechanism Allows unauthorized disclosure of information Allows unauthorized modification Allows disruption of service
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Change History
6 change records found
- show changes
CVE Modified by MITRE -
12/29/2017 9:29:01 PM
Action |
Type |
Old Value |
New Value |
Added |
Reference |
|
https://www.synology.com/support/security/Synology_SA_17_62_Wget [No Types Assigned] |
CVE Modified by MITRE -
12/1/2017 9:29:06 PM
Action |
Type |
Old Value |
New Value |
Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:3075 [No Types Assigned] |
Initial Analysis -
11/17/2017 9:45:27 AM
Action |
Type |
Old Value |
New Value |
Added |
CPE Configuration |
|
OR
*cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:* versions up to (including) 1.19.1 |
Added |
CPE Configuration |
|
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:C/I:C/A:C) |
Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Added |
CWE |
|
CWE-119 |
Changed |
Reference Type |
http://git.savannah.gnu.org/cgit/wget.git/commit/?id=d892291fb8ace4c3b734ea5125770989c215df3f No Types Assigned |
http://git.savannah.gnu.org/cgit/wget.git/commit/?id=d892291fb8ace4c3b734ea5125770989c215df3f Issue Tracking, Patch, Third Party Advisory |
Changed |
Reference Type |
http://www.debian.org/security/2017/dsa-4008 No Types Assigned |
http://www.debian.org/security/2017/dsa-4008 Issue Tracking, Third Party Advisory |
Changed |
Reference Type |
http://www.securityfocus.com/bid/101592 No Types Assigned |
http://www.securityfocus.com/bid/101592 Issue Tracking, Third Party Advisory, VDB Entry |
Changed |
Reference Type |
http://www.securitytracker.com/id/1039661 No Types Assigned |
http://www.securitytracker.com/id/1039661 Issue Tracking, Third Party Advisory, VDB Entry |
Changed |
Reference Type |
https://github.com/r1b/CVE-2017-13089 No Types Assigned |
https://github.com/r1b/CVE-2017-13089 Issue Tracking, Third Party Advisory |
Changed |
Reference Type |
https://security.gentoo.org/glsa/201711-06 No Types Assigned |
https://security.gentoo.org/glsa/201711-06 Issue Tracking, Third Party Advisory |
Changed |
Reference Type |
https://www.viestintavirasto.fi/en/cybersecurity/vulnerabilities/2017/haavoittuvuus-2017-037.html No Types Assigned |
https://www.viestintavirasto.fi/en/cybersecurity/vulnerabilities/2017/haavoittuvuus-2017-037.html Issue Tracking, Patch, Third Party Advisory |
CVE Modified by MITRE -
11/12/2017 9:29:01 PM
Action |
Type |
Old Value |
New Value |
Added |
Reference |
|
https://security.gentoo.org/glsa/201711-06 [No Types Assigned] |
CVE Modified by MITRE -
11/3/2017 9:29:34 PM
Action |
Type |
Old Value |
New Value |
Added |
Reference |
|
http://www.debian.org/security/2017/dsa-4008 [No Types Assigned] |
Added |
Reference |
|
https://github.com/r1b/CVE-2017-13089 [No Types Assigned] |
CVE Modified by MITRE -
10/28/2017 9:29:00 PM
Action |
Type |
Old Value |
New Value |
Added |
Reference |
|
http://www.securityfocus.com/bid/101592 [No Types Assigned] |
Added |
Reference |
|
http://www.securitytracker.com/id/1039661 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-13089
NVD Published Date:
10/27/2017
NVD Last Modified:
12/29/2017
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