Buffer overflow in Gnu Osip

CVE-2017-7853

In libosip2 in GNU oSIP 4.1.0 and 5.0.0, a malformed SIP message can lead to a heap buffer overflow in the msg_osip_body_parse() function defined in osipparser2/osip_message_parse.c, resulting in a remote DoS.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Gnu Osip — versions 5.0.0
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-7853?
CVE-2017-7853 is a high-severity vulnerability in Gnu Osip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-04-13.
How severe is CVE-2017-7853?
High severity. CVSS v3 base score is 7.5 out of 10.