Current Description
In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.
Source:
MITRE
Description Last Modified:
02/12/2018
View Analysis Description
Analysis Description
In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.
Source:
MITRE
Description Last Modified:
02/12/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.5 MEDIUM
Vector:
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
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):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service
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Technical Details
Vulnerability Type
(View All)
- Integer Overflow or Wraparound (CWE-190)
Change History
1 change record found
- show changes
Initial Analysis -
3/7/2018 4:01:21 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V2 Metadata |
|
Victim must voluntarily interact with attack mechanism |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-190 |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1525055 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1525055 Exploit, Issue Tracking, Third Party Advisory |
| Changed |
Reference Type |
https://github.com/Exiv2/exiv2/issues/188 No Types Assigned |
https://github.com/Exiv2/exiv2/issues/188 Exploit, Issue Tracking |