Buffer overflow in Gnu Wget

CVE-2017-13090

The retr.c:fd_read_body() function is called when processing OK responses. When the response is sent chunked in wget before 1.19.2, the chunk parser uses strtol() to read each chunk's length, but doesn't check that the chunk length is a no…

Vulnerability class: Buffer Overflow

EPSS: 0.097 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, Issue Tracking, x_refsource_BID)
  • cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO, Issue Tracking)
  • cret@cert.org (vendor-advisory, Third Party Advisory, Issue Tracking, x_refsource_DEBIAN)
  • cret@cert.org (x_refsource_CONFIRM)
  • cret@cert.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, Issue Tracking, x_refsource_SECTRACK)
  • cret@cert.org (x_refsource_REDHAT, vendor-advisory)

Frequently asked questions

What is CVE-2017-13090?
CVE-2017-13090 is a high-severity vulnerability in Gnu Wget, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2017-10-27.
How severe is CVE-2017-13090?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-13090 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.