Ubuntu.comUB:CVE-2018-20673CVE-2018-20673
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
14.4%
The demangle_template function in cplus-dem.c in GNU libiberty, as
distributed in GNU Binutils 2.31.1, contains an integer overflow
vulnerability (for “Create an array for saving the template argument
values”) that can trigger a heap-based buffer overflow, as demonstrated by
nm.
Bugs
- <https://sourceware.org/bugzilla/show_bug.cgi?id=24039>
- <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88783>
Notes
| Author | Note |
|---|---|
| mdeslaur | code was removed in 2.32, see bug for more info |
| ccdm94 | provided patch removes functionality for versions before 2.32. See gcc bug for more information. |
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
14.4%