VulnerabilityModified
CVE-2017-1000158
CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)
CRITICAL 9.8EPSS 7.94%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.94% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- python/python · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.securitytracker.com/id/1039890Third Party Advisory, VDB Entry
- https://bugs.python.org/issue30657Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00035.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00031.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201805-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0001/
- https://www.debian.org/security/2018/dsa-4307Third Party Advisory
- http://www.securitytracker.com/id/1039890Third Party Advisory, VDB Entry
- https://bugs.python.org/issue30657Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00035.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00031.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201805-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0001/
- https://www.debian.org/security/2018/dsa-4307Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.