Vulnerability Details : CVE-2017-20006
UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2017-20006
- cpe:2.3:a:rarlab:unrar:5.6.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rarlab:unrar:5.6.1.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-20006
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-20006
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-20006
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-20006
-
https://github.com/aawc/unrar/commit/0ff832d31470471803b175cfff4e40c1b08ee779
5.6.1.4: Use in-memory archive instead of file IO · aawc/unrar@0ff832d · GitHubPatch;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4373
4373 - unrar/unrar_fuzzer: Heap-buffer-overflow in Unpack::CopyString - oss-fuzzExploit;Issue Tracking;Patch;Third Party Advisory
-
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/unrar/OSV-2017-104.yaml
oss-fuzz-vulns/OSV-2017-104.yaml at main · google/oss-fuzz-vulns · GitHubThird Party Advisory
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