CVE-2018-17942

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686	Exploit Vendor Advisory
https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html	Exploit Mailing List Vendor Advisory
https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnulib:*:*:*:*:*:*:*:*

Information

Published : 2018-10-03 01:29

Updated : 2020-08-24 10:37

NVD link : CVE-2018-17942

Mitre link : CVE-2018-17942

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

gnu

gnulib

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