CVE-2018-1000101
Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Mingw-w64 version 5.0.3 and earlier, 5.0.4, 6.0.0 and 7.0.0 contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.30% probability · 82th percentile
- CISA KEV
- Not listed
- Affected
- mingw-w64/mingw-w64
- Source
- cve@mitre.org
References
- https://raw.githubusercontent.com/distributedweaknessfiling/cvelist/master/2018/1000xxx/CVE-2018-1000101.json
- https://sourceforge.net/p/mingw-w64/bugs/709/
- https://sourceforge.net/p/mingw-w64/bugs/709/?limit=25#1d38/fefc/39aaThird Party Advisory
- https://sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/snprintf.c#l15Patch, Third Party Advisory
- https://sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/vsnprintf.c#l12Patch, Third Party Advisory
- https://raw.githubusercontent.com/distributedweaknessfiling/cvelist/master/2018/1000xxx/CVE-2018-1000101.json
- https://sourceforge.net/p/mingw-w64/bugs/709/
- https://sourceforge.net/p/mingw-w64/bugs/709/?limit=25#1d38/fefc/39aaThird Party Advisory
- https://sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/snprintf.c#l15Patch, Third Party Advisory
- https://sourceforge.net/p/mingw-w64/mingw-w64/ci/v5.x/tree/mingw-w64-crt/stdio/vsnprintf.c#l12Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.