6.5med

CVE-2018-8098

Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 before v0.26.2 allows an at…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 73%
Public exploits
0
none known

Summary

Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 before v0.26.2 allows an attacker to cause a denial of service (out-of-bounds read) via a crafted repository index file.

Exploit prediction (EPSS)

1.43% probability of exploitation in the next 30 days, higher than 73% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

  • github.com /libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1 · x_refsource_CONFIRM, x_transferred
  • libgit2.github.com /security/ · x_refsource_CONFIRM, x_transferred
  • github.com /libgit2/libgit2/commit/3db1af1f370295ad5355b8f64b865a2a357bcac0 · x_refsource_CONFIRM, 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.