Vulnerability Details : CVE-2019-25051
objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list).
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2019-25051
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 29 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-25051
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-25051
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-25051
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462
18462 - aspell:aspell_fuzzer: Heap-buffer-overflow in acommon::ObjStack::dup_top - oss-fuzzThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
[SECURITY] [DLA 2720-1] aspell security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4948
Debian -- Security Information -- DSA-4948-1 aspellThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/
[SECURITY] Fedora 34 Update: aspell-0.60.8-7.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
objstack: assert that the alloc size will fit within a chunk · GNUAspell/aspell@0718b37 · GitHubPatch;Third Party Advisory
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https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
oss-fuzz-vulns/OSV-2020-521.yaml at main · google/oss-fuzz-vulns · GitHubThird Party Advisory
Products affected by CVE-2019-25051
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:aspell:0.60.8:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*