Vulnerability identifier: #VU40974
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
elfutils
Server applications /
File servers (FTP/HTTP)
Vendor: Sourceware
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the read_long_names function in libelf/elf_begin.c in elfutils 0.152 and 0.161. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to write to arbitrary files to the root directory via a / (slash) in a crafted archive, as demonstrated using the ar program.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
elfutils: 0.152 - 0.161
External links
https://advisories.mageia.org/MGASA-2015-0033.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-January/148321.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-January/148326.html
https://secunia.com/advisories/61934
https://secunia.com/advisories/62560
https://secunia.com/advisories/62661
https://www.mandriva.com/security/advisories?name=MDVSA-2015:047
https://www.openwall.com/lists/oss-security/2014/12/29/2
https://www.securityfocus.com/bid/71804
https://git.fedorahosted.org/cgit/elfutils.git/commit/?id=147018e729e7c22eeabf15b82d26e4bf68a0d18e
https://lists.fedorahosted.org/pipermail/elfutils-devel/2014-December/004499.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.