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

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

Exploit prediction scoring system (EPSS) score for CVE-2019-16707

Probability of exploitation activity in the next 30 days: 0.35%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 68 % EPSS Score History EPSS FAQ

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 can read from or write to a memory location that is outside of the intended boundary of the buffer.

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

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