CVE-2019-16707 : Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring

Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.

Published 2019-09-23 12:15:10

Updated 2023-02-13 19:08:54

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2019-16707

Fedoraproject » Fedora » Version: 31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 30
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Matching versions
Hunspell Project » Hunspell » Version: 1.7.0
cpe:2.3:a:hunspell_project:hunspell:1.7.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 38 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Assigned by: nvd@nist.gov (Primary)

https://github.com/butterflyhack/hunspell-crash

GitHub - butterflyhack/hunspell-crash: find a crash by libfuzzer
Exploit;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/24NTBHK2QNYKSBMJI34WEU5MHS3H2FAI/

[SECURITY] Fedora 30 Update: hunspell-1.7.0-4.fc30 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNTSVWI4SWBQL6XMXNGEH7EAQ45WN63G/

[SECURITY] Fedora 30 Update: mingw-hunspell-1.7.0-6.fc30 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UD4AJ4M74VT3I6L37E4P5DNYZYBZIOVM/

[SECURITY] Fedora 31 Update: hunspell-1.7.0-4.fc31 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2YOYFI36IWKABNGFTWXCH7TTGAFODH6/

[SECURITY] Fedora 31 Update: mingw-hunspell-1.7.0-6.fc31 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

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