// For flags

CVE-2015-8919

libarchive: Heap out of bounds read in LHA/LZH parser

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The lha_read_file_extended_header function in archive_read_support_format_lha.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap) via a crafted (1) lzh or (2) lha file.

La función lha_read_file_extended_header en archive_read_support_format_lha.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegación de servicio (memoria dinámica fuera de rango) a través de un archivo (1) lzh o (2) lha manipulado.

A vulnerability was found in libarchive. A specially crafted LZA/LZH file could cause a small out-of-bounds read, potentially disclosing a few bytes of application memory.

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers. Security Fix: A flaw was found in the way libarchive handled hardlink archive entries of non-zero size. Combined with flaws in libarchive's file system sandboxing, this issue could cause an application using libarchive to overwrite arbitrary files with arbitrary data from the archive.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-06-17 CVE Reserved
  • 2016-07-14 CVE Published
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
15.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"
-
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Libarchive
Search vendor "Libarchive"
Libarchive
Search vendor "Libarchive" for product "Libarchive"
<= 3.1.901a
Search vendor "Libarchive" for product "Libarchive" and version " <= 3.1.901a"
-
Affected
Novell
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Suse Linux Enterprise Software Development Kit
Search vendor "Novell" for product "Suse Linux Enterprise Software Development Kit"
12.0
Search vendor "Novell" for product "Suse Linux Enterprise Software Development Kit" and version "12.0"
sp1
Affected
Novell
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Suse Linux Enterprise Desktop
Search vendor "Novell" for product "Suse Linux Enterprise Desktop"
12.0
Search vendor "Novell" for product "Suse Linux Enterprise Desktop" and version "12.0"
sp1
Affected
Novell
Search vendor "Novell"
Suse Linux Enterprise Server
Search vendor "Novell" for product "Suse Linux Enterprise Server"
12.0
Search vendor "Novell" for product "Suse Linux Enterprise Server" and version "12.0"
sp1
Affected