7.5high

CVE-2018-15501

In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
4.4%
percentile 91%
Public exploits
0
none known

Summary

In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.

Exploit prediction (EPSS)

4.37% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • bugs.chromium.org /p/oss-fuzz/issues/detail?id=9406 · x_refsource_MISC, x_transferred
  • github.com /libgit2/libgit2/releases/tag/v0.27.4 · x_refsource_MISC, x_transferred
  • pro-linux.de /sicherheit/2/44650/denial-of-service-in-libgit2.html · x_refsource_MISC, x_transferred
  • bugzilla.suse.com /show_bug.cgi?id=1104641 · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2018/08/msg00024.html · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /libgit2/libgit2/releases/tag/v0.26.6 · x_refsource_MISC, x_transferred
  • github.com /libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649 · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2022/03/msg00031.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.