Upstream information

CVE-2018-8098 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 5.5
Vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Local
Access Complexity Low Low
Privileges Required None Low
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
SUSE Bugzilla entries: 1085256 [RESOLVED / FIXED], 1085257 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Development Tools 15
  • libgit2-26 >= 0.26.3-1.26
  • libgit2-devel >= 0.26.3-1.26
Patchnames:
SUSE Linux Enterprise Module for Development Tools 15 GA libgit2-26
openSUSE Leap 15.0
  • libgit2-26 >= 0.26.3-lp150.1.1
Patchnames:
openSUSE Leap 15.0 GA libgit2-26


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise SDK 12 SP2 libgit2 Not affected
SUSE Linux Enterprise SDK 12 SP3 libgit2 Not affected
SUSE Manager Server 3.1 libgit2 Not affected