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Vulnerability details: VCID-w8cc-xvzf-aaan
Vulnerability ID VCID-w8cc-xvzf-aaan
Aliases CVE-2018-17942
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-17942.html
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-17942.json
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
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epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.00768 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
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epss 0.02119 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.02119 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.02119 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.02119 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
epss 0.17935 https://api.first.org/data/v1/epss?cve=CVE-2018-17942
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1635896
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17942
generic_textual Medium https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35
generic_textual Medium https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-17942
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-17942
generic_textual Medium https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-17942.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-17942.json
https://api.first.org/data/v1/epss?cve=CVE-2018-17942
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17942
https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/
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/
https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html
https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686
1635896 https://bugzilla.redhat.com/show_bug.cgi?id=1635896
910757 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=910757
cpe:2.3:a:gnu:gnulib:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:gnulib:*:*:*:*:*:*:*:*
CVE-2018-17942 https://nvd.nist.gov/vuln/detail/CVE-2018-17942
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-17942.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-17942
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-17942
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.75183
EPSS Score 0.00465
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.